title
AWS Interview Questions | AWS Interview Questions And Answers 2022 | AWS Training | Simplilearn

description
🔥 AWS Cloud Architect Masters Program (Discount Coupon - YTBE15):https://www.simplilearn.com/aws-cloud-architect-certification-training-course?utm_campaign=23AugustTubebuddyExpCC&utm_medium=DescriptionFF&utm_source=youtube 🔥 IIT Guwahati Professional Certificate Program In Cloud Computing And DevOps (India Only): https://www.simplilearn.com/professional-certificate-program-cloud-computing-devops?utm_campaign=AWS-q46MXNk9aRk&utm_medium=DescriptionFirstFold&utm_source=youtube 🔥 Caltech Cloud Computing Bootcamp (US Only): https://www.simplilearn.com/cloud-computing-bootcamp-certification-course?utm_campaign=AWS-q46MXNk9aRk&utm_medium=DescriptionFirstFold&utm_source=youtube This AWS interview questionsvideo will take you through some of the most popular questions that you face in an AWS interview. Cloud computing is quickly becoming the norm among enterprises that want more flexibility, greater efficiencies, lower costs, and improved disaster recovery. AWS is by far the dominant provider, with 40% of the market share and $14 billion in revenue projected for 2017. That’s not only good news for Amazon’s bottom line. It’s also good news for yours if you’re moving into the field as an AWS Solution Architect Associate. If that’s the career move you’re making, and you’re preparing for an AWS Solution Architect job interview, then this is a video for you. Here are some of the most common AWS interview questions and answers that can help you while you prepare for Amazon web services related roles in the industry. Learn and get a deeper understanding of these questions to set you apart from the crowd in this booming cloud industry. #AWSInterviewQuestions #AWSInterviewQuestionsAndAnswers #AWSInterviewQuestions2020 #AWSInterviewQuestions2021 #AWSTutorial #AWSCertificationTraining #AWSTrainingVideos #AWSTrainingSimplilearn #Simplilearn ✅Subscribe to our Channel to learn more about the top Technologies: https://bit.ly/2VT4WtH ⏩ Check out the AWS training videos: https://bit.ly/2LtnprE 🔥Explore our FREE Courses: https://www.simplilearn.com/skillup-free-online-courses?utm_campaign=AWS&utm_medium=Description&utm_source=youtube ➡️ About Post Graduate Program In Cloud Computing This Post Graduate Program in Cloud Computing helps you become an expert in designing, planning, and scaling cloud implementations. Our Cloud Computing course helps you master the core skill sets required to design and deploy dynamically scalable and reliable applications on three popular cloud platform providers: Microsoft Azure, AWS, and GCP. ✅ Key Features - Caltech CTME Post Graduate Certificate - Enrolment in Simplilearn’s JobAssist - Receive up to 30 CEUs from Caltech CTME - Simplilearn's JobAssist helps you get noticed by top hiring companies - Attend Masterclasses from Caltech CTME instructors - Live virtual classes led by industry experts, hands-on projects and integrated labs - Online Convocation by Caltech CTME Program Director - 40+ Hands-On Projects and Integrated Labs - Capstone Project in 4 Domains - Caltech CTME Circle Membership ✅ Skills Covered - Cloud Provider Selection - Application Migration - Performance Testing - Cloud Workloads - Identity Access Management - Autoscaling - Disaster Recovery - Web Services and API - Cloud Migration and Deployment - Database Management - MultiCloud Deployment - Storage Services 👉 Learn More At: https://www.simplilearn.com/pgp-cloud-computing-certification-training-course?utm_campaign=AWS-q46MXNk9aRk&utm_medium=Description&utm_source=youtube 🔥🔥 Interested in Attending Live Classes? Call Us: IN - 18002127688 / US - +18445327688

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{'title': 'AWS Interview Questions | AWS Interview Questions And Answers 2022 | AWS Training | Simplilearn', 'heatmap': [{'end': 921.205, 'start': 819.384, 'weight': 1}], 'summary': "Covers practical aws interview questions, cloud services, infrastructure, security, aws services distinctions, operations, service selection, identifying aws services, data transfer options, automating ec2 backup, and aws services overview, aiming to enhance candidates' knowledge and chances of success in landing their dream cloud job with relevant content and concepts.", 'chapters': [{'end': 481.567, 'segs': [{'end': 52.273, 'src': 'embed', 'start': 7.403, 'weight': 0, 'content': [{'end': 14.487, 'text': "Hi, there I'm Samuel and I'm here to walk you through some of the AWS interview questions which we find are important,", 'start': 7.403, 'duration': 7.084}, {'end': 24.373, 'text': 'and our hope is that you would use this material in your interview preparation and be able to crack that cloud interview and step into your dream cloud job.', 'start': 14.487, 'duration': 9.886}, {'end': 31.959, 'text': "By the way, I'm a cloud technical architect trainer and an interview panelist for cloud network and DevOps.", 'start': 24.634, 'duration': 7.325}, {'end': 38.984, 'text': "So as you progress in watching, you're going to see that these questions are practical,", 'start': 32.479, 'duration': 6.505}, {'end': 48.39, 'text': 'scenario-based questions that test the depth of the knowledge of a person in a particular AWS product or in a particular AWS architecture.', 'start': 38.984, 'duration': 9.406}, {'end': 50.232, 'text': "So why wait? Let's move on.", 'start': 48.671, 'duration': 1.561}, {'end': 51.052, 'text': 'All right.', 'start': 50.852, 'duration': 0.2}, {'end': 52.273, 'text': 'so in an interview,', 'start': 51.052, 'duration': 1.221}], 'summary': 'Samuel guides through practical aws interview questions for preparation.', 'duration': 44.87, 'max_score': 7.403, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7403.jpg'}, {'end': 121.569, 'src': 'embed', 'start': 95.915, 'weight': 6, 'content': [{'end': 103.48, 'text': "You could choose a non cloud service or a product for monitoring of and for analytics, So they're not considered as basic.", 'start': 95.915, 'duration': 7.565}, {'end': 107.843, 'text': 'So, when we talk about basics, they are compute storage and networking.', 'start': 103.52, 'duration': 4.323}, {'end': 114.466, 'text': 'And the second part of the questions is explain some of the AWS products that are built based on them.', 'start': 108.483, 'duration': 5.983}, {'end': 118.047, 'text': 'Of course, compute EC2 is a major one.', 'start': 114.586, 'duration': 3.461}, {'end': 121.569, 'text': "That's the major share of the compute resource.", 'start': 118.287, 'duration': 3.282}], 'summary': 'Aws offers compute, storage, and networking services, with ec2 as a major compute resource.', 'duration': 25.654, 'max_score': 95.915, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk95915.jpg'}, {'end': 390.187, 'src': 'embed', 'start': 363.859, 'weight': 3, 'content': [{'end': 372.849, 'text': 'So, in short, auto scaling it helps us to automatically provision and launch new instances whenever there is an demand.', 'start': 363.859, 'duration': 8.99}, {'end': 382.058, 'text': 'it not only helps us meeting the increasing demand, it also helps in reducing the resource usage when there is low demand.', 'start': 372.849, 'duration': 9.209}, {'end': 390.187, 'text': 'so auto scaling also allows us to decrease the resources or resource capacity as per the need of that particular r.', 'start': 382.058, 'duration': 8.129}], 'summary': 'Auto scaling provisions new instances based on demand, reducing resource usage when demand is low.', 'duration': 26.328, 'max_score': 363.859, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk363859.jpg'}, {'end': 461.811, 'src': 'embed', 'start': 436.05, 'weight': 5, 'content': [{'end': 444.617, 'text': 'the whole point is to provide users worldwide access to the data from a very nearest server possible.', 'start': 436.05, 'duration': 8.567}, {'end': 447.84, 'text': "That's the whole point in using or going for CloudFront.", 'start': 444.798, 'duration': 3.042}, {'end': 454.205, 'text': 'Then what do you mean by geo-targeting? Geo-targeting is showing customer and specific content.', 'start': 447.94, 'duration': 6.265}, {'end': 457.328, 'text': 'Based on language we can customize the content.', 'start': 454.605, 'duration': 2.723}, {'end': 461.811, 'text': "Based on what's popular in that place we can actually customize the content.", 'start': 457.808, 'duration': 4.003}], 'summary': 'Cloudfront provides worldwide access to data from the nearest server; geo-targeting customizes content based on customer location, language, and popular trends.', 'duration': 25.761, 'max_score': 436.05, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk436050.jpg'}], 'start': 7.403, 'title': 'Aws interview questions and cloud services', 'summary': "Introduces practical aws interview questions to help candidates prepare for cloud interviews and discusses cloud services and aws products including ec2, s3, and vpc, aiming to enhance candidates' knowledge and chances of success in landing their dream cloud job. it also explores concepts like auto scaling and geo-targeting in cloudfront.", 'chapters': [{'end': 52.273, 'start': 7.403, 'title': 'Aws interview questions overview', 'summary': "Introduces practical, scenario-based aws interview questions to help candidates prepare for cloud interviews, presented by a cloud technical architect trainer and interview panelist, aiming to enhance candidates' knowledge and chances of success in landing their dream cloud job.", 'duration': 44.87, 'highlights': ["The chapter introduces practical, scenario-based AWS interview questions to help candidates prepare for cloud interviews, presented by a cloud technical architect trainer and interview panelist, aiming to enhance candidates' knowledge and chances of success in landing their dream cloud job.", 'The speaker, Samuel, is a cloud technical architect trainer and an interview panelist for cloud network and DevOps, providing credibility to the content.', 'The questions are designed to test the depth of knowledge of a person in a particular AWS product or in a particular AWS architecture, focusing on practical application and scenario-based understanding.']}, {'end': 481.567, 'start': 52.273, 'title': 'Cloud services and aws products', 'summary': 'Discusses the three basic types of cloud services - compute, storage, and networking, and their associated aws products such as ec2, s3, and vpc. it also explores concepts like auto scaling and geo-targeting in cloudfront.', 'duration': 429.294, 'highlights': ['The three basic types of cloud services are compute, storage, and networking. These services are fundamental and essential for cloud computing, with compute (EC2, Elastic Beanstalk, Lambda), storage (S3, Glacier, EBS, EFS), and networking (VPC, Route 53, CloudFront) being the core components. These services are considered basic and crucial for building cloud-based solutions.', 'AWS products like EC2, S3, and VPC are built based on these basic cloud services. These products are designed to provide scalable and reliable solutions for compute, storage, and networking needs. For example, EC2 offers scalable compute capacity, S3 provides object storage, and VPC enables secure and isolated cloud networking.', 'Auto scaling allows automatic provisioning and launching of instances based on demand, optimizing resource usage. Auto scaling not only meets increasing demand by launching new instances but also reduces resource usage during low demand, providing cost efficiency. It eliminates the need for manual monitoring and management of server resources, making it a compelling feature of AWS.', "Geo-targeting in CloudFront enables customized content delivery based on user location and preferences. CloudFront's geo-targeting feature allows customization of content based on user language and location, providing a tailored experience. This capability enhances user engagement and delivers relevant content globally."]}], 'duration': 474.164, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7403.jpg', 'highlights': ["The chapter introduces practical, scenario-based AWS interview questions to help candidates prepare for cloud interviews, aiming to enhance candidates' knowledge and chances of success in landing their dream cloud job.", 'The questions are designed to test the depth of knowledge of a person in a particular AWS product or in a particular AWS architecture, focusing on practical application and scenario-based understanding.', 'The speaker, Samuel, is a cloud technical architect trainer and an interview panelist for cloud network and DevOps, providing credibility to the content.', 'Auto scaling allows automatic provisioning and launching of instances based on demand, optimizing resource usage.', 'Auto scaling not only meets increasing demand by launching new instances but also reduces resource usage during low demand, providing cost efficiency.', 'Geo-targeting in CloudFront enables customized content delivery based on user location and preferences, enhancing user engagement and delivering relevant content globally.', 'AWS products like EC2, S3, and VPC are designed to provide scalable and reliable solutions for compute, storage, and networking needs.']}, {'end': 1973.241, 'segs': [{'end': 507.951, 'src': 'embed', 'start': 481.908, 'weight': 0, 'content': [{'end': 490.875, 'text': 'So how does it happen? CloudFront will detect the country where the viewers are located and it will forward the country code to the origin server.', 'start': 481.908, 'duration': 8.967}, {'end': 496.9, 'text': 'And once the origin server gets the specialized or specific country code,', 'start': 491.355, 'duration': 5.545}, {'end': 502.305, 'text': 'it will change the content and it will send to the caching server and it get cached there forever.', 'start': 496.9, 'duration': 5.405}, {'end': 507.951, 'text': 'And the user gets to view a content which is personalized for them for the country they are in.', 'start': 502.726, 'duration': 5.225}], 'summary': "Cloudfront detects viewer's country, serves personalized content, and caches it forever.", 'duration': 26.043, 'max_score': 481.908, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk481908.jpg'}, {'end': 754.986, 'src': 'embed', 'start': 732.85, 'weight': 1, 'content': [{'end': 741.277, 'text': "update the information with the new ip address new ip address of the new server, and that's going to send traffic to the new server now.", 'start': 732.85, 'duration': 8.427}, {'end': 743.199, 'text': 'so the cutover is handled.', 'start': 741.277, 'duration': 1.922}, {'end': 750.184, 'text': "or if you're using static ip, you can actually remove the static ip from the old machine and assign it to the new machine.", 'start': 743.199, 'duration': 6.985}, {'end': 751.285, 'text': "that's one way of doing it.", 'start': 750.184, 'duration': 1.101}, {'end': 754.986, 'text': 'or if you are using elastic NIC card.', 'start': 751.705, 'duration': 3.281}], 'summary': 'Update server with new ip address for cutover.', 'duration': 22.136, 'max_score': 732.85, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk732850.jpg'}, {'end': 921.205, 'src': 'heatmap', 'start': 819.384, 'weight': 1, 'content': [{'end': 829.249, 'text': "Why is storage high? You can go and try to justify that and you will find if you are storing things that shouldn't be storing and then clean it up.", 'start': 819.384, 'duration': 9.865}, {'end': 831.47, 'text': 'Why is compute capacity so high?', 'start': 829.529, 'duration': 1.941}, {'end': 833.231, 'text': 'why is data transfer so high?', 'start': 831.77, 'duration': 1.461}, {'end': 840.235, 'text': "so if you start thinking in those levels, you'll be able to dig in and clean up unnecessary and be able to save your bill.", 'start': 833.231, 'duration': 7.004}, {'end': 849.981, 'text': 'and there are cost Explorer services available which will help you to view your usage pattern or view your spending for the past 13 months or so,', 'start': 840.235, 'duration': 9.746}, {'end': 852.743, 'text': 'and it will also forecast for the next three months.', 'start': 849.981, 'duration': 2.762}, {'end': 856.605, 'text': 'now, how much will you be using if your pattern is like this?', 'start': 852.743, 'duration': 3.862}, {'end': 865.936, 'text': 'that will actually help and will give you a visibility on how much you have spent, how much you will be spending if the trend continues.', 'start': 856.605, 'duration': 9.331}, {'end': 869.902, 'text': 'budgets are another excellent a way to control cost.', 'start': 865.936, 'duration': 3.966}, {'end': 871.444, 'text': 'you can actually set a budget all right.', 'start': 869.902, 'duration': 1.542}, {'end': 878.452, 'text': 'this is how much i am willing to spend for this application, for this team or for this month for this particular resource,', 'start': 871.444, 'duration': 7.008}, {'end': 886.522, 'text': "so you can actually put a budget mark and anytime it exceeds, anytime it's nearing, you would get an alarm saying that, well,", 'start': 878.452, 'duration': 8.07}, {'end': 889.726, 'text': "we're about to reach the allocated budget amount.", 'start': 886.522, 'duration': 3.204}, {'end': 890.866, 'text': 'Stuff like that.', 'start': 890.246, 'duration': 0.62}, {'end': 896.089, 'text': 'That way you can go back and know and you know that how much the bill is going to be for that month,', 'start': 891.027, 'duration': 5.062}, {'end': 900.211, 'text': 'or you can take steps to control bill amount for that particular month.', 'start': 896.089, 'duration': 4.122}, {'end': 904.034, 'text': 'So AWS budget is another very good tool that you could use.', 'start': 900.251, 'duration': 3.783}, {'end': 912.198, 'text': 'Cost allocation tags helps in identifying which team or which resource has spent more in that particular month.', 'start': 904.494, 'duration': 7.704}, {'end': 921.205, 'text': 'Instead of looking at the bill as one list with no specifications into it and looking at it as an expenditure list,', 'start': 912.638, 'duration': 8.567}], 'summary': 'Analyze and clean up unnecessary storage, compute capacity, and data transfer to control costs using aws budget and cost allocation tags.', 'duration': 101.821, 'max_score': 819.384, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk819384.jpg'}, {'end': 865.936, 'src': 'embed', 'start': 829.529, 'weight': 2, 'content': [{'end': 831.47, 'text': 'Why is compute capacity so high?', 'start': 829.529, 'duration': 1.941}, {'end': 833.231, 'text': 'why is data transfer so high?', 'start': 831.77, 'duration': 1.461}, {'end': 840.235, 'text': "so if you start thinking in those levels, you'll be able to dig in and clean up unnecessary and be able to save your bill.", 'start': 833.231, 'duration': 7.004}, {'end': 849.981, 'text': 'and there are cost Explorer services available which will help you to view your usage pattern or view your spending for the past 13 months or so,', 'start': 840.235, 'duration': 9.746}, {'end': 852.743, 'text': 'and it will also forecast for the next three months.', 'start': 849.981, 'duration': 2.762}, {'end': 856.605, 'text': 'now, how much will you be using if your pattern is like this?', 'start': 852.743, 'duration': 3.862}, {'end': 865.936, 'text': 'that will actually help and will give you a visibility on how much you have spent, how much you will be spending if the trend continues.', 'start': 856.605, 'duration': 9.331}], 'summary': 'Analyze compute and data transfer to reduce unnecessary costs, use cost explorer, and forecast spending.', 'duration': 36.407, 'max_score': 829.529, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk829529.jpg'}, {'end': 1104.594, 'src': 'embed', 'start': 1079.859, 'weight': 3, 'content': [{'end': 1087.562, 'text': 'The basic services we could use are CloudWatch logs, store them in S3, and then use Elasticsearch to visualize them,', 'start': 1079.859, 'duration': 7.703}, {'end': 1092.103, 'text': 'and use Kinesis to move the data from S3 to Elasticsearch.', 'start': 1087.562, 'duration': 4.541}, {'end': 1094.405, 'text': 'So log management.', 'start': 1092.843, 'duration': 1.562}, {'end': 1104.594, 'text': 'it actually helps organizations to track the relationship between operational and security changes and the events that got triggered based on those logs.', 'start': 1094.405, 'duration': 10.189}], 'summary': 'Utilize cloudwatch logs, s3 storage, elasticsearch for visualization, and kinesis for data transfer to manage logs and track operational and security changes.', 'duration': 24.735, 'max_score': 1079.859, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk1079859.jpg'}, {'end': 1529.206, 'src': 'embed', 'start': 1494.861, 'weight': 4, 'content': [{'end': 1497.705, 'text': 'and Web Access Firewall, AWS WAF.', 'start': 1494.861, 'duration': 2.844}, {'end': 1499.228, 'text': 'Now they are the major ones.', 'start': 1497.966, 'duration': 1.262}, {'end': 1502.793, 'text': 'They are designed to mitigate a denial of service.', 'start': 1499.328, 'duration': 3.465}, {'end': 1509.603, 'text': 'If your website is often bothered by denial of service then we should be using AWS Shield or AWS WAF.', 'start': 1502.893, 'duration': 6.71}, {'end': 1512.987, 'text': 'And there are a couple of other tools that also does.', 'start': 1510.223, 'duration': 2.764}, {'end': 1514.769, 'text': 'when I say that also does.', 'start': 1512.987, 'duration': 1.782}, {'end': 1519.976, 'text': 'denial of service is not their primary job, but you could use them for denial of service.', 'start': 1514.769, 'duration': 5.207}, {'end': 1529.206, 'text': "Route 53's purpose is to provide DNS, CloudFront is to provide caching, Elastic Load Balancer, ELB's work is to provide load balancing.", 'start': 1520.437, 'duration': 8.769}], 'summary': 'Aws shield and aws waf mitigate denial of service, while route 53 provides dns and cloudfront offers caching.', 'duration': 34.345, 'max_score': 1494.861, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk1494861.jpg'}, {'end': 1775.759, 'src': 'embed', 'start': 1751.301, 'weight': 5, 'content': [{'end': 1758.928, 'text': "is meant for providing graphical representation of what's going on in a particular network at a particular point of time.", 'start': 1751.301, 'duration': 7.627}, {'end': 1760.089, 'text': 'So CloudWatch.', 'start': 1759.289, 'duration': 0.8}, {'end': 1762.572, 'text': 'CloudWatch helps us to monitor applications.', 'start': 1760.35, 'duration': 2.222}, {'end': 1765.994, 'text': 'And using CloudWatch, we can monitor the state changes.', 'start': 1763.192, 'duration': 2.802}, {'end': 1770.336, 'text': 'Not only the state changes, the auto-scaling lifecycle events.', 'start': 1766.574, 'duration': 3.762}, {'end': 1775.759, 'text': 'Anytime there are more services added, there is a reduction in the number of servers because of less usage.', 'start': 1770.496, 'duration': 5.263}], 'summary': 'Cloudwatch provides graphical network monitoring, including state changes and auto-scaling events.', 'duration': 24.458, 'max_score': 1751.301, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk1751301.jpg'}, {'end': 1925.995, 'src': 'embed', 'start': 1898.002, 'weight': 6, 'content': [{'end': 1904.648, 'text': 'you might be tested with some basic questions like the different types of virtualization and AWS and what are the difference between them.', 'start': 1898.002, 'duration': 6.646}, {'end': 1911.23, 'text': 'Alright, the three major types of virtualization are HVM, which is hardware virtual machine.', 'start': 1905.288, 'duration': 5.942}, {'end': 1914.511, 'text': 'The other one is PV, para-virtualization.', 'start': 1911.75, 'duration': 2.761}, {'end': 1920.694, 'text': 'And the third one is PV on HVM, para-virtualization on hardware virtual module.', 'start': 1914.952, 'duration': 5.742}, {'end': 1925.995, 'text': 'All right, the difference between them or actually describing them is actually the difference between them.', 'start': 1921.354, 'duration': 4.641}], 'summary': 'Three major types of virtualization: hvm, pv, and pv on hvm.', 'duration': 27.993, 'max_score': 1898.002, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk1898002.jpg'}], 'start': 481.908, 'title': 'Aws infrastructure and security', 'summary': 'Covers cloudfront personalization, cloudformation usage, near zero downtime upgrades, aws cost management techniques, resource access methods, security logging capabilities, native services for ddos mitigation, and cloudwatch monitoring, emphasizing infrastructure as code, cost control, and system availability.', 'chapters': [{'end': 713.438, 'start': 481.908, 'title': 'Cloudfront and cloudformation', 'summary': 'Discusses how cloudfront personalizes content based on viewer location, the steps involved in using cloudformation, and upgrading a system with near zero downtime, emphasizing the importance of infrastructure as code, intelligent service behavior, and system availability.', 'duration': 231.53, 'highlights': ['CloudFront personalizes content based on viewer location by detecting the country and forwarding the country code to the origin server, which then changes and caches the content. CloudFront detects viewer location, forwards country code to origin server, and personalizes content for the specific country, ensuring caching for personalized content.', 'The process of using CloudFormation involves creating a template in JSON or YAML format, saving it in an S3 bucket, calling the file from the bucket, and creating a stack, with CloudFormation intelligently understanding service relationships and provisioning them in the correct order. Steps for using CloudFormation include creating a template, saving it in an S3 bucket, calling the file, creating a stack, and intelligently provisioning services in the correct order.', 'In system upgrades, launching another system parallelly with a larger EC2 instance type and installing all necessary components is crucial for achieving near zero downtime, emphasizing the importance of system availability. Achieving near zero downtime in system upgrades involves launching a parallel system with a larger EC2 instance and installing all necessary components, highlighting the significance of system availability.']}, {'end': 957.658, 'start': 713.438, 'title': 'Aws cost management techniques', 'summary': 'Discusses techniques for minimizing downtime during server cutover, managing aws costs and tools for cost control, including budgeting, cost allocation tags, and cost explorer services.', 'duration': 244.22, 'highlights': ['Using Route 53 to update IP addresses for server cutover, achieving near zero downtime by swapping NIC cards or static IPs, and emphasizing the importance of managing costs for an architect-level role.', 'Utilizing AWS Cost Management Console to check top services, justify high resource usage, and clean up unnecessary spending to reduce bills.', 'Leveraging Cost Explorer services to view usage patterns, spending history, and forecast future spending, and employing budgets to set spending limits and receive alerts when nearing the allocated budget amount.', 'Implementing cost allocation tags to identify which teams or resources have spent more, enabling detailed breakdown and analysis of expenditure for different teams and resources.']}, {'end': 1377.186, 'start': 957.658, 'title': 'Aws resource access and security logging', 'summary': 'Discusses alternative aws resource access methods, including putty and awcli installation, and different logging capabilities such as cloudwatch logs, s3 storage, elasticsearch visualization, and kinesis data movement for centralized logging solution, as well as native aws security logging capabilities like cloudtrail and config services.', 'duration': 419.528, 'highlights': ['Alternative AWS resource access methods such as PuTTY and awcli installation are discussed, providing options to access, run commands, and monitor AWS resources from local machines. These alternative methods, including PuTTY and awcli installation, offer flexibility and convenience for accessing and managing AWS resources.', 'The centralized logging solution is explained, involving CloudWatch logs, S3 storage, Elasticsearch visualization, and Kinesis data movement, which aids in tracking operational and security changes, and events triggered based on logs. The centralized logging solution provides a comprehensive approach to track and visualize operational and security changes, enhancing monitoring capabilities.', 'Native AWS security logging capabilities such as CloudTrail and Config services are detailed, providing insights into API call history, security analysis, configuration changes tracking, and setting up notifications. The native AWS security logging capabilities, including CloudTrail and Config services, offer comprehensive insights into API call history, security analysis, and configuration changes tracking.']}, {'end': 1973.241, 'start': 1377.546, 'title': 'Aws native services and ddos mitigation', 'summary': 'Provides insights into amazon native services for ddos mitigation, preferred regions for service availability, and the role of cloudwatch in monitoring and integrating with other aws services.', 'duration': 595.695, 'highlights': ['AWS Shield and WAF are the primary native tools that help prevent denial of service attacks, designed to mitigate DDoS. AWS Shield and WAF are the major native services for preventing DDoS attacks, with a recommendation to use them if a website is frequently bothered by denial of service. They are specifically designed to mitigate denial of service.', "Understanding preferred regions for service availability is important, as not all services are available in all regions, and it's essential to check documentation to find the nearest region offering the required service. The availability of services varies across regions, and it's crucial to understand the preferred regions for service availability. Checking documentation and finding the nearest region offering the required service is necessary, as not all services are available in every region.", 'CloudWatch is a crucial tool for monitoring applications, state changes, auto-scaling events, and supports scheduled events, while integrating well with other AWS services such as Lambda and notifications through SNS. CloudWatch is a vital tool for monitoring applications, state changes, and auto-scaling events. It also supports scheduled events and integrates well with other AWS services like Lambda and notifications through SNS.', 'The different types of virtualization in AWS include HVM, PV, and PV on HVM, each with distinct characteristics and functionalities. The three major types of virtualization in AWS are HVM, PV, and PV on HVM, each with unique characteristics and functionalities. Understanding the differences between these types is essential for managing servers and applications in AWS.']}], 'duration': 1491.333, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk481908.jpg', 'highlights': ['CloudFront personalizes content based on viewer location by detecting the country and forwarding the country code to the origin server, ensuring caching for personalized content.', 'Using Route 53 to update IP addresses for server cutover achieves near zero downtime by swapping NIC cards or static IPs, emphasizing the importance of managing costs for an architect-level role.', 'Leveraging Cost Explorer services to view usage patterns, spending history, and forecast future spending, and employing budgets to set spending limits and receive alerts when nearing the allocated budget amount.', 'The centralized logging solution involving CloudWatch logs, S3 storage, Elasticsearch visualization, and Kinesis data movement aids in tracking operational and security changes, enhancing monitoring capabilities.', 'AWS Shield and WAF are the major native services for preventing DDoS attacks, specifically designed to mitigate denial of service.', 'CloudWatch is a vital tool for monitoring applications, state changes, and auto-scaling events. It also supports scheduled events and integrates well with other AWS services like Lambda and notifications through SNS.', 'The different types of virtualization in AWS include HVM, PV, and PV on HVM, each with unique characteristics and functionalities.']}, {'end': 2744.501, 'segs': [{'end': 2006.103, 'src': 'embed', 'start': 1973.948, 'weight': 2, 'content': [{'end': 1978.651, 'text': 'Another good question is name some of the services that are not region specific.', 'start': 1973.948, 'duration': 4.703}, {'end': 1985.614, 'text': "Now, you've been taught that all services are within a region and some services are within an availability zone.", 'start': 1978.711, 'duration': 6.903}, {'end': 1988.356, 'text': 'For example, EC2 is within an availability zone.', 'start': 1985.734, 'duration': 2.622}, {'end': 1990.537, 'text': 'EBS is within an availability zone.', 'start': 1988.696, 'duration': 1.841}, {'end': 1995.319, 'text': 'S3 is region specific, DynamoDB is region specific, stuff like that.', 'start': 1990.917, 'duration': 4.402}, {'end': 2006.103, 'text': 'VPC is both availability and region specific, meaning subnets are availability zone specific and VPC is region specific, stuff like that.', 'start': 1995.719, 'duration': 10.384}], 'summary': 'Not all services are region specific - some are availability zone specific, e.g., ec2, ebs, and vpc.', 'duration': 32.155, 'max_score': 1973.948, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk1973948.jpg'}, {'end': 2072.07, 'src': 'embed', 'start': 2041.65, 'weight': 3, 'content': [{'end': 2043.031, 'text': 'Authentication has to be global.', 'start': 2041.65, 'duration': 1.381}, {'end': 2047.534, 'text': "So IAM is a global service, which means it's not region specific.", 'start': 2043.351, 'duration': 4.183}, {'end': 2051.315, 'text': 'On the other hand, Route 53 is again a regional specific.', 'start': 2047.714, 'duration': 3.601}, {'end': 2054.639, 'text': "So we can't have Route 53 for every region.", 'start': 2051.356, 'duration': 3.283}, {'end': 2057.54, 'text': 'Route 53 is not a region specific service.', 'start': 2054.998, 'duration': 2.542}, {'end': 2058.501, 'text': "It's a global service.", 'start': 2057.58, 'duration': 0.921}, {'end': 2059.822, 'text': "And it's one application.", 'start': 2058.661, 'duration': 1.161}, {'end': 2064.284, 'text': 'Users access from everywhere or from every part of the world.', 'start': 2060.422, 'duration': 3.862}, {'end': 2072.07, 'text': "So we can't have one URL or one DNS name for each region if your application is a global application.", 'start': 2064.385, 'duration': 7.685}], 'summary': 'Iam is a global service, while route 53 is region-specific, making it unsuitable for every region. global applications require a single dns name.', 'duration': 30.42, 'max_score': 2041.65, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk2041650.jpg'}, {'end': 2209.844, 'src': 'embed', 'start': 2178.1, 'weight': 1, 'content': [{'end': 2183.423, 'text': 'They both serve the same thing, but still they do have differences in them.', 'start': 2178.1, 'duration': 5.323}, {'end': 2188.748, 'text': 'On a high level, they both achieve providing NATing for the service behind it.', 'start': 2184.043, 'duration': 4.705}, {'end': 2193.173, 'text': 'But the difference comes when we talk about the availability of it.', 'start': 2188.848, 'duration': 4.325}, {'end': 2199.559, 'text': 'NAT Gateway is a managed service by Amazon, whereas NAT Instance is managed by us.', 'start': 2193.793, 'duration': 5.766}, {'end': 2201.942, 'text': "Now I'm talking about the third point, maintenance here.", 'start': 2199.639, 'duration': 2.303}, {'end': 2209.844, 'text': 'NAT gateway is managed by Amazon, NAT instance is managed by us and availability of NAT gateway is very high,', 'start': 2202.342, 'duration': 7.502}], 'summary': 'Nat gateway and nat instance provide nating, but differ in management and availability.', 'duration': 31.744, 'max_score': 2178.1, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk2178100.jpg'}, {'end': 2335.378, 'src': 'embed', 'start': 2313.222, 'weight': 0, 'content': [{'end': 2321.208, 'text': 'as per a NAT gateway is a fixed product, but NAT instance can be small instance can be a big instance, so the size and the load through it varies.', 'start': 2313.222, 'duration': 7.986}, {'end': 2328.053, 'text': 'The other question you could get asked is what are the differences between stopping and terminating an EC2 instance?', 'start': 2322.349, 'duration': 5.704}, {'end': 2335.378, 'text': 'Now you will be able to answer only if you have worked on environments where you have your instance stopped and where you have your instance terminated.', 'start': 2328.393, 'duration': 6.985}], 'summary': 'Nat gateway is fixed, instance size varies. understand differences between stopping and terminating ec2 instances.', 'duration': 22.156, 'max_score': 2313.222, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk2313222.jpg'}], 'start': 1973.948, 'title': 'Aws services and distinctions', 'summary': 'Discusses the distinction between region-specific and availability zone-specific aws services, including examples such as ec2, ebs, s3, and dynamodb to test the understanding of these concepts. it also covers global and region-specific nature of aws services like iam, route 53, web application firewall, cloudfront, and the differences between nat gateway and nat instance, as well as the distinctions between stopping and terminating ec2 instances and the types of ec2 instances based on cost. it also touches upon setting up ssh agent forwarding to avoid copying keys every time.', 'chapters': [{'end': 2017.968, 'start': 1973.948, 'title': 'Aws services and regions', 'summary': 'Discusses the distinction between region-specific and availability zone-specific aws services, including examples such as ec2, ebs, s3, and dynamodb, to test the understanding of these concepts.', 'duration': 44.02, 'highlights': ['The distinction between region-specific and availability zone-specific AWS services is discussed, including examples such as EC2, EBS, S3, and DynamoDB to test the understanding of these concepts.', 'VPC is both availability and region specific, meaning subnets are availability zone specific and VPC is region specific.']}, {'end': 2744.501, 'start': 2018.408, 'title': 'Aws services and differences: iam, route 53, nat gateway, nat instance, ec2 instances', 'summary': 'Discusses the global and region-specific nature of aws services like iam, route 53, web application firewall, cloudfront, and the differences between nat gateway and nat instance, as well as the distinctions between stopping and terminating ec2 instances and the types of ec2 instances based on cost. it also touches upon setting up ssh agent forwarding to avoid copying keys every time.', 'duration': 726.093, 'highlights': ['IAM is a global service, while Route 53 is regional but beyond region-specific. IAM allows users to have a single username and password across regions, making it a global service, whereas Route 53 is not region-specific, offering a single DNS name for a global application.', "NAT Gateway is a managed service by Amazon with high availability and performance, while NAT Instance is managed by users and has lower availability and performance based on instance type. NAT Gateway is highly available with a burst capacity of 75 gigabits and fixed billing, whereas NAT Instance's availability and performance depend on the user's management and instance type, with variable billing.", 'Differences between stopping and terminating EC2 instances, and the types of EC2 instances based on cost and usage duration. Stopping an instance moves it to a stopped state, while terminating it deletes the attached EBS volumes. The chapter also discusses the cost efficiency of on-demand, spot, and reserved instances based on usage duration.', 'Setting up SSH agent forwarding to avoid mapping keys every time when logging into an EC2 instance. SSH agent forwarding allows for the permanent binding of keys to PuTTY sessions, eliminating the need to map the key every time, making it more efficient for production environments.']}], 'duration': 770.553, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk1973948.jpg', 'highlights': ['Differences between stopping and terminating EC2 instances, and the types of EC2 instances based on cost and usage duration.', 'NAT Gateway is a managed service by Amazon with high availability and performance, while NAT Instance is managed by users and has lower availability and performance based on instance type.', 'The distinction between region-specific and availability zone-specific AWS services is discussed, including examples such as EC2, EBS, S3, and DynamoDB to test the understanding of these concepts.', 'IAM is a global service, while Route 53 is regional but beyond region-specific.']}, {'end': 4162.175, 'segs': [{'end': 2922.434, 'src': 'embed', 'start': 2894.759, 'weight': 0, 'content': [{'end': 2904.327, 'text': 'so, as you see, there is an alarm threshold, a set in cloudwatch, and once the threshold is met, meaning if there is an error, if there is a failure,', 'start': 2894.759, 'duration': 9.568}, {'end': 2910.351, 'text': 'if the ec2 instance is not responding for a certain while, we can set an alarm And once the alarm is met,', 'start': 2904.327, 'duration': 6.024}, {'end': 2915.132, 'text': "let's say the CPU utilization stayed high for five minutes, right?", 'start': 2910.351, 'duration': 4.781}, {'end': 2922.434, 'text': "It's not taking any new connections, or the instance is not pinging for five minutes, or in this case it's two minutes.", 'start': 2915.172, 'duration': 7.262}], 'summary': 'Set alarm in cloudwatch for ec2 instance errors and failures, triggering after cpu stays high for 5 minutes or instance unresponsive for 2 minutes.', 'duration': 27.675, 'max_score': 2894.759, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk2894759.jpg'}, {'end': 3499.718, 'src': 'embed', 'start': 3457.76, 'weight': 1, 'content': [{'end': 3461.221, 'text': 'In other words, redundancy is higher in S3 than EBS.', 'start': 3457.76, 'duration': 3.461}, {'end': 3470.064, 'text': 'And talking about security of S3, S3 can be made private as well as public, meaning anybody can access S3 from anywhere in the internet.', 'start': 3461.661, 'duration': 8.403}, {'end': 3471.425, 'text': "That's possible with S3.", 'start': 3470.204, 'duration': 1.221}, {'end': 3475.886, 'text': 'But EBS can only be accessed when attached to an EC2 instance.', 'start': 3471.725, 'duration': 4.161}, {'end': 3480.988, 'text': 'Just one instance can access it, whereas S3 is publicly, directly accessible.', 'start': 3476.526, 'duration': 4.462}, {'end': 3489.793, 'text': 'The other question related to S3 security is how do you allow access to a user to a certain a user to a certain bucket?', 'start': 3481.548, 'duration': 8.245}, {'end': 3496.756, 'text': 'Which means this user is not having access to S3 at all, but this user needs to be given access to a certain bucket.', 'start': 3489.933, 'duration': 6.823}, {'end': 3499.718, 'text': 'How do we do it? The same case applies to servers as well.', 'start': 3496.877, 'duration': 2.841}], 'summary': 'S3 is more publicly accessible than ebs, with s3 allowing direct internet access and ebs requiring attachment to an ec2 instance.', 'duration': 41.958, 'max_score': 3457.76, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk3457760.jpg'}, {'end': 3754.332, 'src': 'embed', 'start': 3726.468, 'weight': 3, 'content': [{'end': 3734.618, 'text': 'And if there is an error, if something is failing, you get notified through an SMS or you get notified through an email using the SNS service.', 'start': 3726.468, 'duration': 8.15}, {'end': 3742.988, 'text': "So that's how we could leverage these tools and set up an cross-region replication monitor that actually monitors your data replication.", 'start': 3734.878, 'duration': 8.11}, {'end': 3754.332, 'text': 'some common issues that company companies face in vpc is that we all know that i can use route 53 to resolve an ip address externally from the internet,', 'start': 3743.704, 'duration': 10.628}], 'summary': 'Leverage tools for error notification and cross-region replication monitoring in vpc.', 'duration': 27.864, 'max_score': 3726.468, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk3726468.jpg'}, {'end': 3814.946, 'src': 'embed', 'start': 3783.951, 'weight': 4, 'content': [{'end': 3788.053, 'text': 'and you will be able to answer this question only if you have done it already.', 'start': 3783.951, 'duration': 4.102}, {'end': 3789.614, 'text': "it's a quick and simple step.", 'start': 3788.053, 'duration': 1.561}, {'end': 3791.975, 'text': 'by default, VPC does not allow.', 'start': 3789.614, 'duration': 2.361}, {'end': 3798.158, 'text': "that's the default feature and we will have to enable the DNS hostname resolution before.", 'start': 3791.975, 'duration': 6.183}, {'end': 3802.74, 'text': 'Now. this is for the custom DNS, not for the default DNS.', 'start': 3798.818, 'duration': 3.922}, {'end': 3803.48, 'text': 'that comes along.', 'start': 3802.74, 'duration': 0.74}, {'end': 3804.921, 'text': 'This is for the custom DNS.', 'start': 3803.58, 'duration': 1.341}, {'end': 3809.303, 'text': 'So we will have to enable the DNS hostname resolution.', 'start': 3805.121, 'duration': 4.182}, {'end': 3814.946, 'text': "So we'll have to enable the DNS hostname resolution so they actually resolve.", 'start': 3809.683, 'duration': 5.263}], 'summary': 'Enable dns hostname resolution for custom dns in vpc.', 'duration': 30.995, 'max_score': 3783.951, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk3783951.jpg'}, {'end': 3855.623, 'src': 'embed', 'start': 3827.612, 'weight': 5, 'content': [{'end': 3847.053, 'text': 'If a company has VPCs in different regions and they have a head office in a central place and the rest of them are branch offices and they are connecting to the head office for access or for saving data or for accessing certain files or certain data or storing data,', 'start': 3827.612, 'duration': 19.441}, {'end': 3855.623, 'text': 'they would actually mimic the hub and spoke topology where you have the VPC, which is centrally in an accessible region,', 'start': 3847.053, 'duration': 8.57}], 'summary': 'Company uses hub and spoke topology for vpcs in different regions.', 'duration': 28.011, 'max_score': 3827.612, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk3827612.jpg'}, {'end': 4027.809, 'src': 'embed', 'start': 3996.178, 'weight': 6, 'content': [{'end': 4000.139, 'text': 'Access to the VPC is restricted through a network access control list.', 'start': 3996.178, 'duration': 3.961}, {'end': 4003.52, 'text': "So that's a security product in VPC.", 'start': 4000.579, 'duration': 2.941}, {'end': 4011.063, 'text': 'And a VPC has security groups that protects the instances from unwanted inbound and outbound traffic.', 'start': 4003.821, 'duration': 7.242}, {'end': 4016.705, 'text': 'A network access control list protects the subnets from unwanted inbound and outbound access.', 'start': 4011.123, 'duration': 5.582}, {'end': 4027.809, 'text': 'And there are flow logs we can capture in VPC that captures incoming and outgoing traffic through a VPC which will be used for later analysis.', 'start': 4017.025, 'duration': 10.784}], 'summary': 'Vpc security includes nacl, security groups, and flow logs for traffic analysis.', 'duration': 31.631, 'max_score': 3996.178, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk3996178.jpg'}, {'end': 4078.312, 'src': 'embed', 'start': 4054.345, 'weight': 7, 'content': [{'end': 4064.414, 'text': 'So how do you monitor your VPC? How do you gain some visibility on your VPC? Well, we can gain visibility on a VPC using VPC flow log.', 'start': 4054.345, 'duration': 10.069}, {'end': 4066.197, 'text': "That's the basic service.", 'start': 4064.795, 'duration': 1.402}, {'end': 4070.782, 'text': "As you see, it actually captures what's allowed, what's not allowed, stuff like that.", 'start': 4066.377, 'duration': 4.405}, {'end': 4074.167, 'text': 'Which IP is allowed, which IP is not allowed, stuff like that.', 'start': 4071.263, 'duration': 2.904}, {'end': 4078.312, 'text': 'So we can gather it and we can use that for analysis.', 'start': 4074.407, 'duration': 3.905}], 'summary': 'Monitor vpc using vpc flow log for visibility and analysis.', 'duration': 23.967, 'max_score': 4054.345, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4054345.jpg'}], 'start': 2744.501, 'title': 'Aws operations', 'summary': 'Covers the unavailability of solaris and ax on aws due to architecture limitations, automating ec2 instance recovery using cloudwatch, recovering lost ec2 keys, differences between s3 and ebs, vpc troubleshooting, and best practices in vpc management and security.', 'chapters': [{'end': 2825.624, 'start': 2744.501, 'title': 'Availability of solaris and ax on aws', 'summary': 'Explains the unavailability of solaris and ax operating systems on aws due to their architecture limitations, running on power cpu instead of intel, and the absence of power machines provided by amazon.', 'duration': 81.123, 'highlights': ['Solaris and AX operating systems are not available with AWS due to their architecture limitations, running on Power CPU instead of Intel.', 'The unavailability of Solaris and AX is attributed to the fact that their architecture does not support public cloud currently, and they run on Power CPU which Amazon does not provide as of now.', 'The absence of Solaris and AX on AWS is due to their reliance on Power CPU, which is not supported by cloud providers at present.']}, {'end': 3213.18, 'start': 2826.264, 'title': 'Automating ec2 instance recovery with cloudwatch', 'summary': 'Discusses automating ec2 instance recovery using cloudwatch, allowing setting alarms to recover instances based on cpu utilization or low utilization, and different types of ami designs including full-back, just enough os, and hybrid amis.', 'duration': 386.916, 'highlights': ['EC2 instances are considered as immutable and can be recovered by relaunching the instance, which can be automated using CloudWatch to set alarms based on CPU utilization or low utilization.', 'CloudWatch action can be used to automatically recover EC2 instances by rebooting, stopping, or terminating them based on specific criteria, such as CPU utilization or low utilization, to optimize cloud expenditure and system management.', 'Common types of AMI designs include full-back AMIs, which are fully baked and ready to use, just enough OS AMIs, which cover a part of the OS and allow flexibility in installing additional software, and hybrid AMIs, which combine features of both the fully baked and just enough OS types, allowing strict company policies and flexibility during deployment.']}, {'end': 3742.988, 'start': 3213.86, 'title': 'Recovering lost ec2 key and s3 vs ebs differences', 'summary': 'Details the process of recovering access to an ec2 instance when the key is lost, including steps to detach and modify the key, as well as key differences between aws s3 and ebs, such as their storage capabilities, performance, redundancy, and security. it also covers managing access to servers and s3 buckets based on specific tags and ensuring data consistency and monitoring in cross-region replication.', 'duration': 529.128, 'highlights': ["Recovering Lost EC2 Key Details the step-by-step procedure to recover access to an EC2 instance when the key is lost, including detaching and modifying the key, and emphasizes the inability to recover a lost key, as well as Amazon's unavailability to assist in key recovery.", "Differences between AWS S3 and EBS Explores key differences between AWS S3 and EBS in terms of their storage capabilities, performance, redundancy, and security, highlighting S3 as an object store, EBS as a file system, S3's faster performance, EBS's local accessibility, S3's cross-availability zone redundancy, and EBS's within-availability zone redundancy, as well as the public accessibility of S3 and the access restriction of EBS to attached EC2 instances.", 'Managing Access to Servers and S3 Buckets Based on Tags Describes the process of categorizing instances based on criticality, applying specific tags, and allowing or denying user access to servers and S3 buckets based on these tags, emphasizing the use of tags to control access and ensure proper user permissions.', 'Ensuring Data Consistency in Cross-Region Replication Details the setup of a cross-region replication monitor using various AWS tools to ensure data consistency and monitor data replication between different regions, highlighting the use of CloudWatch, CloudTrail, DynamoDB, and SNS for error notifications in cross-region replication.']}, {'end': 4162.175, 'start': 3743.704, 'title': 'Vpc troubleshooting and best practices', 'summary': 'Discusses common vpc issues and solutions, such as dns hostname resolution, hub and spoke topology, vpc peering, cloudhub architecture, security products, monitoring using vpc flow logs and cloudwatch, and handling multiple choice questions in interviews.', 'duration': 418.471, 'highlights': ['VPC troubleshooting includes enabling DNS hostname resolution for custom DNS names to allow server connections. Enabling DNS hostname resolution is essential for allowing server connections through custom DNS names in VPC.', 'Hub and spoke topology can be utilized to connect multiple VPCs in different regions to a centrally accessible VPC. Implementing hub and spoke topology facilitates connection of VPCs in different regions to a centrally accessible VPC for communication and data access.', 'CloudHub architecture enables corporate networks to communicate through VPCs, providing centralized control over traffic routing. CloudHub architecture facilitates communication between corporate networks through VPCs, offering centralized control over traffic routing.', 'VPC security products include network access control lists, security groups, and flow logs for monitoring traffic patterns and securing instances. VPC offers security products such as network access control lists, security groups, and flow logs to monitor traffic patterns and secure instances.', 'Monitoring VPCs can be achieved using VPC flow logs and CloudWatch to gain visibility and analyze data transfers. VPC monitoring involves utilizing VPC flow logs and CloudWatch to gain visibility and analyze data transfers for identifying unusual patterns.', 'Understanding and effectively handling multiple choice questions in interviews is crucial for success in online tests and interviews. Effectively handling multiple choice questions in interviews requires understanding the questions thoroughly and reading between the lines to provide accurate answers.']}], 'duration': 1417.674, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk2744501.jpg', 'highlights': ['Automate EC2 instance recovery using CloudWatch to set alarms based on CPU utilization or low utilization.', 'Differences between AWS S3 and EBS in terms of storage capabilities, performance, redundancy, and security.', 'Managing access to servers and S3 buckets based on tags to control access and ensure proper user permissions.', 'Setup cross-region replication monitor using various AWS tools to ensure data consistency and monitor data replication between different regions.', 'VPC troubleshooting includes enabling DNS hostname resolution for custom DNS names to allow server connections.', 'Implementing hub and spoke topology facilitates connection of VPCs in different regions to a centrally accessible VPC for communication and data access.', 'VPC offers security products such as network access control lists, security groups, and flow logs to monitor traffic patterns and secure instances.', 'VPC monitoring involves utilizing VPC flow logs and CloudWatch to gain visibility and analyze data transfers for identifying unusual patterns.']}, {'end': 5207.156, 'segs': [{'end': 4212.712, 'src': 'embed', 'start': 4187.138, 'weight': 1, 'content': [{'end': 4192.1, 'text': "compare and contrast the services and you'll be able to easily read out the wrong ones.", 'start': 4187.138, 'duration': 4.962}, {'end': 4193.721, 'text': "so let's try answering this question.", 'start': 4192.1, 'duration': 1.621}, {'end': 4201.126, 'text': 'suppose you are a game designer and you want to develop a game with a single digit millisecond latency,', 'start': 4193.721, 'duration': 7.405}, {'end': 4204.127, 'text': 'which of the following database services would you choose?', 'start': 4201.126, 'duration': 3.001}, {'end': 4211.952, 'text': 'so we know that the following are database services good enough, all right, and it talks about millisecond latency.', 'start': 4204.127, 'duration': 7.825}, {'end': 4212.712, 'text': "that's a key point.", 'start': 4211.952, 'duration': 0.76}], 'summary': 'Choose a database service with single-digit millisecond latency for game development.', 'duration': 25.574, 'max_score': 4187.138, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4187138.jpg'}, {'end': 4298.439, 'src': 'embed', 'start': 4276.946, 'weight': 0, 'content': [{'end': 4288.072, 'text': 'dynamodb is actually an fast and flexible no sql database service And it provides a single digit millisecond latency at any scale.', 'start': 4276.946, 'duration': 11.126}, {'end': 4290.274, 'text': "And it's a database at the same time.", 'start': 4288.633, 'duration': 1.641}, {'end': 4292.835, 'text': "It's a key value store model database.", 'start': 4290.334, 'duration': 2.501}, {'end': 4296.218, 'text': 'So the right answer is DynamoDB.', 'start': 4292.895, 'duration': 3.323}, {'end': 4298.439, 'text': "Alright, let's look at the next question.", 'start': 4296.438, 'duration': 2.001}], 'summary': 'Dynamodb offers fast, flexible nosql service with single digit millisecond latency at any scale.', 'duration': 21.493, 'max_score': 4276.946, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4276946.jpg'}, {'end': 4421.478, 'src': 'embed', 'start': 4392.54, 'weight': 2, 'content': [{'end': 4396.343, 'text': 'but not about getting AWS service insights.', 'start': 4392.54, 'duration': 3.803}, {'end': 4402.286, 'text': 'So CloudWatch is a service that helps us to get a system wide or an AWS wide or an account wide.', 'start': 4396.363, 'duration': 5.923}, {'end': 4411.552, 'text': 'It has a number of metrics we can monitor and get a very good insight of how a service is performing, be it CPU, be it RAM, be it network utilization,', 'start': 4402.306, 'duration': 9.246}, {'end': 4413.633, 'text': 'be it connection failures.', 'start': 4411.552, 'duration': 2.081}, {'end': 4421.478, 'text': 'CloudWatch is a service that helps us perform a real-time monitoring and get some actionable insights on the services.', 'start': 4414.073, 'duration': 7.405}], 'summary': 'Cloudwatch provides real-time monitoring and actionable insights on aws services, including cpu, ram, network utilization, and connection failures.', 'duration': 28.938, 'max_score': 4392.54, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4392540.jpg'}, {'end': 4518.499, 'src': 'embed', 'start': 4487.62, 'weight': 4, 'content': [{'end': 4493.747, 'text': 'it again talks about security, and this security is all about encrypting or saving.', 'start': 4487.62, 'duration': 6.127}, {'end': 4497.712, 'text': 'the data does not come close with signing up and mobile platform.', 'start': 4493.747, 'duration': 3.965}, {'end': 4501.113, 'text': "All right, let's talk about the other one, AWS Inspector.", 'start': 4498.032, 'duration': 3.081}, {'end': 4505.275, 'text': 'Now, AWS Inspector has something to do with apps.', 'start': 4501.433, 'duration': 3.842}, {'end': 4507.975, 'text': 'It definitely has something to do with apps.', 'start': 4505.955, 'duration': 2.02}, {'end': 4510.916, 'text': "So kind of looks like that's relevant as of now.", 'start': 4508.156, 'duration': 2.76}, {'end': 4518.499, 'text': 'So it actually helps with improving the security and compliance of the apps that we deploy in the cloud.', 'start': 4511.217, 'duration': 7.282}], 'summary': 'Aws inspector improves security and compliance of deployed cloud apps.', 'duration': 30.879, 'max_score': 4487.62, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4487620.jpg'}, {'end': 4588.757, 'src': 'embed', 'start': 4557.501, 'weight': 3, 'content': [{'end': 4565.964, 'text': 'Cognito is a service that helps us to set up, sign up, sign in and have access control over the users who would be using our mobile and web app.', 'start': 4557.501, 'duration': 8.463}, {'end': 4567.484, 'text': 'all right, how about this question?', 'start': 4565.964, 'duration': 1.52}, {'end': 4586.095, 'text': 'you are an ML engineer or a machine learning engineer who is on the lookout for a solution that will discover sensitive information that your enterprise stores in AWS and then uses NLP to classify that data and provide business related insights.', 'start': 4567.484, 'duration': 18.611}, {'end': 4588.757, 'text': 'Which among the following services would you choose?', 'start': 4586.536, 'duration': 2.221}], 'summary': 'Cognito helps set up access control for mobile and web apps, while looking for solution to discover sensitive information in aws using nlp.', 'duration': 31.256, 'max_score': 4557.501, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4557501.jpg'}, {'end': 4629.816, 'src': 'embed', 'start': 4607.786, 'weight': 7, 'content': [{'end': 4618.269, 'text': "So we're talking about storage, discover information in store and then classify the data depending on severity, sensitivity, classify the data.", 'start': 4607.786, 'duration': 10.483}, {'end': 4622.851, 'text': "So which service is that? So Firewall Manager, just like the name says, it's a manager.", 'start': 4618.529, 'duration': 4.322}, {'end': 4625.413, 'text': 'and the aws iam.', 'start': 4623.331, 'duration': 2.082}, {'end': 4629.816, 'text': "if we abbreviate it, it's a identity and access management.", 'start': 4625.413, 'duration': 4.403}], 'summary': 'Discussion on storing, discovering, and classifying data with firewall manager and aws iam.', 'duration': 22.03, 'max_score': 4607.786, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4607786.jpg'}, {'end': 4677.982, 'src': 'embed', 'start': 4650.609, 'weight': 6, 'content': [{'end': 4657.231, 'text': "it's a security service that uses machine learning and it discovers and classifies the sensitive information.", 'start': 4650.609, 'duration': 6.622}, {'end': 4661.992, 'text': 'not only that, it does not stop there, it goes beyond and protects the sensitive data.', 'start': 4657.231, 'duration': 4.761}, {'end': 4663.653, 'text': 'AWS Massey kind of looks like.', 'start': 4661.992, 'duration': 1.661}, {'end': 4667.034, 'text': 'but we still have one more option to look at, which is cloud HMS.', 'start': 4663.653, 'duration': 3.381}, {'end': 4670.076, 'text': 'Cloud HMS is also a security service.', 'start': 4667.774, 'duration': 2.302}, {'end': 4672.258, 'text': 'Kind of looks like that could be the answer as well.', 'start': 4670.316, 'duration': 1.942}, {'end': 4677.982, 'text': 'And it enables us to generate encryption keys and save the data.', 'start': 4672.558, 'duration': 5.424}], 'summary': 'Security service uses machine learning to discover and protect sensitive information, with an option to use cloud hms for encryption keys and data protection.', 'duration': 27.373, 'max_score': 4650.609, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4650609.jpg'}, {'end': 5020.94, 'src': 'embed', 'start': 4968.915, 'weight': 8, 'content': [{'end': 4971.516, 'text': 'VPC can help us with private IP address.', 'start': 4968.915, 'duration': 2.601}, {'end': 4979.498, 'text': 'VPC can be used to allow deny connection based on the security group access control list and routing table it has.', 'start': 4971.516, 'duration': 7.982}, {'end': 4981.779, 'text': "So that's right answer is VPC.", 'start': 4979.898, 'duration': 1.881}, {'end': 4983.28, 'text': 'All right, how about this one?', 'start': 4982.299, 'duration': 0.981}, {'end': 4991.685, 'text': 'This platform as a service, or platform as a DB service, provides us with a cost efficient and resizable capacity,', 'start': 4983.44, 'duration': 8.245}, {'end': 4994.687, 'text': 'while automating time consuming administrative tasks.', 'start': 4991.685, 'duration': 3.002}, {'end': 4996.748, 'text': 'So this question is very clear.', 'start': 4994.707, 'duration': 2.041}, {'end': 5004.973, 'text': "It's a DB service we got to look for and it's a service that can provide automating some of the time consuming tasks.", 'start': 4996.828, 'duration': 8.145}, {'end': 5007.294, 'text': 'It has to be resizable at the same time.', 'start': 5005.073, 'duration': 2.221}, {'end': 5010.516, 'text': "So let's talk about Amazon Rational Database.", 'start': 5007.354, 'duration': 3.162}, {'end': 5011.657, 'text': "It's a database.", 'start': 5010.936, 'duration': 0.721}, {'end': 5014.258, 'text': 'kind of matches the requirement.', 'start': 5012.457, 'duration': 1.801}, {'end': 5016.618, 'text': 'we can resize it as and when needed.', 'start': 5014.258, 'duration': 2.36}, {'end': 5018.439, 'text': 'all right.', 'start': 5016.618, 'duration': 1.821}, {'end': 5020.94, 'text': "looks like it's a fit as of now.", 'start': 5018.439, 'duration': 2.501}], 'summary': 'Vpc allows private ip, security control; rds automates tasks, resizable capacity.', 'duration': 52.025, 'max_score': 4968.915, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4968915.jpg'}, {'end': 5168.185, 'src': 'embed', 'start': 5140.719, 'weight': 10, 'content': [{'end': 5145.642, 'text': "So let's try to find that kind of service in the four services that are listed.", 'start': 5140.719, 'duration': 4.923}, {'end': 5156.333, 'text': 'MapReduce. MapReduce is actually a framework service that makes it easy and cost-effective to analyze a large amount of data,', 'start': 5147.203, 'duration': 9.13}, {'end': 5160.897, 'text': 'but that has nothing to do with accessing human researchers.', 'start': 5156.333, 'duration': 4.564}, {'end': 5163.26, 'text': "Let's talk about Mechanical Turk.", 'start': 5161.458, 'duration': 1.802}, {'end': 5166.783, 'text': "It's a web service that provides a human workforce.", 'start': 5163.32, 'duration': 3.463}, {'end': 5168.185, 'text': "That's the definition for it.", 'start': 5167.044, 'duration': 1.141}], 'summary': 'Mapreduce is a framework service for analyzing large data; mechanical turk provides a human workforce.', 'duration': 27.466, 'max_score': 5140.719, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5140719.jpg'}], 'start': 4162.415, 'title': 'Aws services selection', 'summary': 'Discusses the strategy of choosing database services for game design, selecting dynamodb over rds for a project requiring single digit millisecond latency, aws real-time monitoring using cloudwatch, and app access control with amazon cognito. it also covers the selection of aws services for specific requirements, including sensitive information discovery, data classification, user authentication tracking, ip address allocation, database service selection, and accessing human researchers or consultants on a temporary basis.', 'chapters': [{'end': 4298.439, 'start': 4162.415, 'title': 'Choosing database service for game design', 'summary': 'Discusses the strategy of comparing and contrasting database services to make accurate choices, illustrated by selecting dynamodb over rds for a game design project requiring single digit millisecond latency.', 'duration': 136.024, 'highlights': ['DynamoDB is the right choice for a game design project requiring single digit millisecond latency due to its fast and flexible NoSQL database service that provides the required performance at any scale. DynamoDB provides single digit millisecond latency and is suitable for game design projects.', 'RDS is not the ideal option for a game design project needing single digit millisecond latency, as it is an SQL database with strict tables, more suitable for applications like banking. RDS is not suitable for game design projects needing single digit millisecond latency.', 'Comparing and contrasting the database services helped weed out unsuitable options like Neptune and Snowball, leaving the decision between RDS and DynamoDB, ultimately leading to the selection of DynamoDB for the game design project. Comparing and contrasting database services helped in eliminating unsuitable options and narrowing down the decision.']}, {'end': 4567.484, 'start': 4298.779, 'title': 'Aws real-time monitoring and app access control', 'summary': 'Discusses the selection of aws services for real-time monitoring, where cloudwatch is identified as the suitable choice, and the identification of amazon cognito as the appropriate service for adding user sign-up, sign-in, and access control to a mobile app.', 'duration': 268.705, 'highlights': ['CloudWatch is identified as the suitable choice for real-time monitoring, providing system-wide visibility and the ability to track metrics, including CPU, RAM, network utilization, and connection failures. CloudWatch offers system-wide visibility and metric tracking, making it suitable for real-time monitoring and providing insights into service performance, including CPU, RAM, network utilization, and connection failures.', 'Amazon Cognito is recognized as the appropriate service for adding user sign-up, sign-in, and access control to a mobile app, providing administrators with control over user access for web and mobile apps. Amazon Cognito is suitable for adding user sign-up, sign-in, and access control to a mobile app, enabling administrators to manage user access for web and mobile apps.', 'AWS Inspector is considered relevant due to its role in improving the security and compliance of apps deployed in the cloud, aligning with the requirement for app-related services. AWS Inspector is deemed relevant as it enhances the security and compliance of apps deployed in the cloud, aligning with the need for app-centric services.']}, {'end': 5207.156, 'start': 4567.484, 'title': 'Aws services selection', 'summary': 'Discusses the selection of aws services for specific requirements, such as discovering sensitive information and classifying data, tracking user authentication, allocating ip addresses, selecting a database service, and accessing human researchers or consultants on a temporary basis.', 'duration': 639.672, 'highlights': ['The chapter discusses the selection of AWS services for specific requirements, such as discovering sensitive information and classifying data, tracking user authentication, allocating IP addresses, selecting a database service, and accessing human researchers or consultants on a temporary basis. The chapter covers the selection of AWS services for various specific requirements, including discovering sensitive information, classifying data, tracking user authentication, allocating IP addresses, selecting a database service, and accessing human researchers or consultants on a temporary basis.', 'The correct service for discovering sensitive information, classifying data, and protecting sensitive data is identified as AWS Massey, a security service that uses machine learning. AWS Massey is identified as the correct service for discovering sensitive information, classifying data, and protecting sensitive data, as it is a security service that uses machine learning.', 'The service for tracking user authentication and managing permissions is determined to be AWS Identity and Access Management (IAM), which helps in predicting user access to servers and resources. AWS Identity and Access Management (IAM) is identified as the service for tracking user authentication and managing permissions, as it helps in predicting user access to servers and resources.', 'In the context of allocating IP addresses and controlling connections, the suitable service is recognized as Amazon Virtual Private Cloud (VPC), which facilitates allowing or denying connections based on security group configurations. Amazon Virtual Private Cloud (VPC) is identified as the suitable service for allocating IP addresses and controlling connections, as it facilitates allowing or denying connections based on security group configurations.', 'For a cost-efficient and resizable database service with automated administrative tasks, Amazon Relational Database Service (RDS) is determined to be the appropriate choice. Amazon Relational Database Service (RDS) is identified as the appropriate choice for a cost-efficient and resizable database service with automated administrative tasks.', 'The means for accessing human researchers or consultants on a temporary basis is identified as Mechanical Turk, a web service that provides a human workforce. Mechanical Turk is identified as the means for accessing human researchers or consultants on a temporary basis, as it is a web service that provides a human workforce.']}], 'duration': 1044.741, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk4162415.jpg', 'highlights': ['DynamoDB provides single digit millisecond latency and is suitable for game design projects.', 'Comparing and contrasting database services helped in eliminating unsuitable options and narrowing down the decision.', 'CloudWatch offers system-wide visibility and metric tracking, making it suitable for real-time monitoring and providing insights into service performance, including CPU, RAM, network utilization, and connection failures.', 'Amazon Cognito is suitable for adding user sign-up, sign-in, and access control to a mobile app, enabling administrators to manage user access for web and mobile apps.', 'AWS Inspector enhances the security and compliance of apps deployed in the cloud, aligning with the need for app-centric services.', 'The chapter covers the selection of AWS services for various specific requirements, including discovering sensitive information, classifying data, tracking user authentication, allocating IP addresses, selecting a database service, and accessing human researchers or consultants on a temporary basis.', 'AWS Massey is identified as the correct service for discovering sensitive information, classifying data, and protecting sensitive data, as it is a security service that uses machine learning.', 'AWS Identity and Access Management (IAM) is identified as the service for tracking user authentication and managing permissions, as it helps in predicting user access to servers and resources.', 'Amazon Virtual Private Cloud (VPC) is identified as the suitable service for allocating IP addresses and controlling connections, as it facilitates allowing or denying connections based on security group configurations.', 'Amazon Relational Database Service (RDS) is identified as the appropriate choice for a cost-efficient and resizable database service with automated administrative tasks.', 'Mechanical Turk is identified as the means for accessing human researchers or consultants on a temporary basis, as it is a web service that provides a human workforce.']}, {'end': 5940.458, 'segs': [{'end': 5355.91, 'src': 'embed', 'start': 5327.971, 'weight': 0, 'content': [{'end': 5330.611, 'text': "so it's Amazon elastic container service.", 'start': 5327.971, 'duration': 2.64}, {'end': 5339.856, 'text': "that's the one that helps us to easily deploy, manage scale container services and it helps us to orchestrate the containers using kubernetes.", 'start': 5330.611, 'duration': 9.245}, {'end': 5341.017, 'text': 'all right, how about this one?', 'start': 5339.856, 'duration': 1.161}, {'end': 5346.442, 'text': 'all right, this service lets us to run code without provisioning or managing servers.', 'start': 5341.017, 'duration': 5.425}, {'end': 5347.603, 'text': 'so no servers.', 'start': 5346.442, 'duration': 1.161}, {'end': 5351.707, 'text': 'run code, select the correct service from the below option all right.', 'start': 5347.603, 'duration': 4.104}, {'end': 5352.388, 'text': 'so no servers.', 'start': 5351.707, 'duration': 0.681}, {'end': 5354.209, 'text': 'but we should be able to run code.', 'start': 5352.748, 'duration': 1.461}, {'end': 5355.91, 'text': 'Amazon EC2 auto scaling.', 'start': 5354.409, 'duration': 1.501}], 'summary': 'Amazon ecs for easy container deployment, kubernetes orchestration, and serverless code execution with ec2 auto scaling.', 'duration': 27.939, 'max_score': 5327.971, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5327971.jpg'}, {'end': 5460.575, 'src': 'embed', 'start': 5432.502, 'weight': 1, 'content': [{'end': 5439.405, 'text': 'aws lambda is a service or is the service that runs code without provisioning and managing services right?', 'start': 5432.502, 'duration': 6.903}, {'end': 5441.546, 'text': 'the right one would be aws lambda All right.', 'start': 5439.405, 'duration': 2.141}, {'end': 5444.367, 'text': 'so by this we have come to the end of the first section.', 'start': 5441.546, 'duration': 2.821}, {'end': 5451.19, 'text': 'If getting your learning started is half the battle, what if you could do that for free? Visit SkillUp by Simply Learn.', 'start': 5444.827, 'duration': 6.363}, {'end': 5453.751, 'text': 'Click on the link in the description to know more.', 'start': 5451.51, 'duration': 2.241}, {'end': 5460.575, 'text': "I'm glad that we were able to provide you a second part in AWS interview questions.", 'start': 5454.71, 'duration': 5.865}], 'summary': 'Aws lambda offers code execution without provisioning or managing services. free learning available at skillup by simply learn.', 'duration': 28.073, 'max_score': 5432.502, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5432502.jpg'}, {'end': 5643.854, 'src': 'embed', 'start': 5616.193, 'weight': 2, 'content': [{'end': 5621.798, 'text': "you know, If the project that you're going to work with deals with a lot of migrations, you could be posted this question.", 'start': 5616.193, 'duration': 5.605}, {'end': 5627.803, 'text': 'What are the factors you will consider while migrating to Amazon Web Services? The first one is cost.', 'start': 5621.938, 'duration': 5.865}, {'end': 5632.167, 'text': 'Is it worth moving the instance to the cloud??', 'start': 5628.103, 'duration': 4.064}, {'end': 5639.493, 'text': 'Given the additional bills and whistles features available in the cloud, is this application going to use all of them??', 'start': 5632.407, 'duration': 7.086}, {'end': 5643.854, 'text': 'Is moving into the cloud beneficial to the application in the first place?', 'start': 5639.913, 'duration': 3.941}], 'summary': 'Consider costs and application benefit when migrating to amazon web services.', 'duration': 27.661, 'max_score': 5616.193, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5616193.jpg'}, {'end': 5913.778, 'src': 'embed', 'start': 5890.635, 'weight': 3, 'content': [{'end': 5901.265, 'text': 'On the other hand, RPO is recovery point objective, which is the maximum amount of data loss your company is willing to accept as measured in time.', 'start': 5890.635, 'duration': 10.63}, {'end': 5908.432, 'text': 'RPO always refers to the backups, the number of backups, the frequency of the backups.', 'start': 5901.525, 'duration': 6.907}, {'end': 5913.778, 'text': 'Because when an outage happens, you can always go back to the latest backup.', 'start': 5908.972, 'duration': 4.806}], 'summary': 'Rpo is the maximum acceptable data loss measured in time and refers to backup frequency and number.', 'duration': 23.143, 'max_score': 5890.635, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5890635.jpg'}], 'start': 5207.156, 'title': 'Identifying aws services and interview tips', 'summary': 'Discusses identifying aws services such as amazon mechanical turk, amazon elastic container service, aws lambda, and aws batch, along with their functionalities and use cases. it also covers adding an instance to an auto scaling group, factors for migrating to aws, and explanation of rto and rpo in disaster recovery planning.', 'chapters': [{'end': 5453.751, 'start': 5207.156, 'title': 'Aws service identification', 'summary': 'Discusses identifying aws services including amazon mechanical turk, amazon elastic container service, aws lambda, and aws batch, with a focus on their functionalities and use cases.', 'duration': 246.595, 'highlights': ['Amazon Mechanical Turk is the solution for problem-solving, and the correct answer for the first question. It is used for solving problems using a payment system through Amazon and multi-factor authentication.', 'Amazon Elastic Container Service is the correct AWS service for deploying, managing, and scaling containerized applications using Kubernetes. It is an highly scalable, high-performance container orchestration service, suitable for managing containers and using Kubernetes.', 'AWS Lambda is the service that runs code without provisioning and managing servers. It is an event-driven serverless computing platform that runs code in response to events, automatically managing the required compute resources.', 'AWS Batch is a service for scheduling and executing batch processing, and is not relevant to the requirement in the question. It enables IT professionals to schedule and execute batch processing, but it does not align with the requirement of running code without provisioning a server.']}, {'end': 5940.458, 'start': 5454.71, 'title': 'Aws interview tips and disaster recovery', 'summary': 'Covers adding an instance to an auto scaling group, factors to consider while migrating to aws, and explanation of rto and rpo in disaster recovery planning.', 'duration': 485.748, 'highlights': ['Adding an instance to auto scaling group To add an existing instance to an auto scaling group, one needs to follow a seven-step process, including changing the instance type if required and considering factors such as immediate provisioning and hardware requirements.', "Factors to consider while migrating to AWS When migrating to AWS, it's crucial to consider factors like cost, demand, urgency for provisioning, hardware requirements, risk sensitivity, and business agility, as AWS can provide benefits in terms of hardware upgrades, risk mitigation, and shared responsibility.", 'Explanation of RTO and RPO in disaster recovery planning RTO (Recovery Time Objective) is the maximum time for recovery, while RPO (Recovery Point Objective) is the acceptable amount of data loss, both of which play crucial roles in disaster recovery planning by determining the time and data loss limits.']}], 'duration': 733.302, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5207156.jpg', 'highlights': ['Amazon Elastic Container Service is the correct AWS service for deploying, managing, and scaling containerized applications using Kubernetes.', 'AWS Lambda is the service that runs code without provisioning and managing servers.', 'Factors to consider while migrating to AWS include cost, demand, urgency for provisioning, hardware requirements, risk sensitivity, and business agility.', 'Explanation of RTO and RPO in disaster recovery planning: RTO is the maximum time for recovery, while RPO is the acceptable amount of data loss.']}, {'end': 6420.259, 'segs': [{'end': 6008.159, 'src': 'embed', 'start': 5966.878, 'weight': 0, 'content': [{'end': 5972.262, 'text': 'Snowball and all of the Snowball series deals with petabyte sized data migrations.', 'start': 5966.878, 'duration': 5.384}, {'end': 5974.863, 'text': 'So there are three options available as of now.', 'start': 5972.502, 'duration': 2.361}, {'end': 5983.569, 'text': 'AWS Snowball is an data transport solution for moving high volume of data into and out of a specified AWS region.', 'start': 5975.023, 'duration': 8.546}, {'end': 5988.452, 'text': 'On the other hand, AWS Snowball Edge has additional computing functions.', 'start': 5983.809, 'duration': 4.643}, {'end': 5995.374, 'text': 'Snowball is simple storage and movement of data, and Snowball Edge has a compute function attached to it.', 'start': 5988.852, 'duration': 6.522}, {'end': 6005.718, 'text': 'Snowmobile, on the other hand, is an exabyte scale migration service that allows us to transfer data up to 100 petabytes.', 'start': 5995.715, 'duration': 10.003}, {'end': 6008.159, 'text': "that's like 100, 000 terabytes.", 'start': 6005.718, 'duration': 2.441}], 'summary': 'Snowball series handles petabyte-sized data migrations with aws snowball, snowball edge, and snowmobile, capable of transferring up to 100 petabytes or 100,000 terabytes.', 'duration': 41.281, 'max_score': 5966.878, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5966878.jpg'}, {'end': 6101.455, 'src': 'embed', 'start': 6078.199, 'weight': 3, 'content': [{'end': 6087.326, 'text': 'CloudFormation gives us an infrastructure and Elastic Beanstalk gives us an small contained environment in which we can run our application.', 'start': 6078.199, 'duration': 9.127}, {'end': 6096.252, 'text': 'And cloud formation supports the infrastructure needs of many different types of application, like the enterprise application,', 'start': 6087.606, 'duration': 8.646}, {'end': 6101.455, 'text': 'the legacy applications and any new modern application that you want to have in the cloud.', 'start': 6096.252, 'duration': 5.203}], 'summary': 'Cloudformation provides infrastructure, elastic beanstalk offers contained environment for applications in the cloud.', 'duration': 23.256, 'max_score': 6078.199, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6078199.jpg'}, {'end': 6279.829, 'src': 'embed', 'start': 6255.28, 'weight': 4, 'content': [{'end': 6263.484, 'text': 'And the resource section in the cloud formation defines what are the AWS cloud resources that will be created through this cloud formation template.', 'start': 6255.28, 'duration': 8.204}, {'end': 6264.925, 'text': 'And then we have version.', 'start': 6263.624, 'duration': 1.301}, {'end': 6269.247, 'text': 'Version actually identifies the capabilities of the template.', 'start': 6265.305, 'duration': 3.942}, {'end': 6278.169, 'text': 'We just need to make sure that it is of the latest version type and the latest version is 0909-2010.', 'start': 6269.887, 'duration': 8.282}, {'end': 6279.829, 'text': "That's the latest version number.", 'start': 6278.289, 'duration': 1.54}], 'summary': 'Cloudformation template defines aws resources. latest version is 0909-2010.', 'duration': 24.549, 'max_score': 6255.28, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6255280.jpg'}, {'end': 6409.709, 'src': 'embed', 'start': 6380.388, 'weight': 5, 'content': [{'end': 6384.05, 'text': 'It simply rolls back all the resources that it created.', 'start': 6380.388, 'duration': 3.662}, {'end': 6388.773, 'text': 'I mean if it sees a failure, it would simply roll back all the resources that it created.', 'start': 6384.07, 'duration': 4.703}, {'end': 6397.098, 'text': 'And this feature actually simplifies the system administration and layered solutions built on top of AWS CloudFormation.', 'start': 6389.053, 'duration': 8.045}, {'end': 6409.709, 'text': 'So at any point, we know that there are no orphan resources in our environment because something did not work or because CloudFormation executed some.', 'start': 6397.438, 'duration': 12.271}], 'summary': 'Aws cloudformation rolls back all created resources in case of failure, simplifying system administration and ensuring no orphan resources in the environment.', 'duration': 29.321, 'max_score': 6380.388, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6380388.jpg'}], 'start': 5940.658, 'title': 'Data transfer options and aws services', 'summary': 'Compares aws snowball, snowball edge, and snowmobile for data transfer, with snowmobile capable of transferring up to 100 petabytes. it also discusses aws cloudformation and elastic beanstalk, highlighting their differences and rollback behavior for resource failure.', 'chapters': [{'end': 6008.159, 'start': 5940.658, 'title': 'Best data transfer option for petabytes', 'summary': 'Discusses the best options for transferring huge amounts of data, comparing aws snowball, snowball edge, and snowmobile, with snowmobile being capable of transferring up to 100 petabytes of data.', 'duration': 67.501, 'highlights': ['Snowmobile is an exabyte scale migration service that allows us to transfer data up to 100 petabytes, which is equivalent to 100,000 terabytes.', 'AWS Snowball and Snowball Edge are options for moving high volumes of data into and out of a specified AWS region, with Snowball Edge having additional computing functions.', 'Snowball and the Snowball series are designed for petabyte-sized data migrations.']}, {'end': 6420.259, 'start': 6008.439, 'title': 'Aws cloudformation & elastic beanstalk', 'summary': 'Discusses the differences between aws cloudformation and elastic beanstalk, including their functionalities, elements, and rollback behavior in case of resource failure, ensuring no orphan resources in the account.', 'duration': 411.82, 'highlights': ['AWS CloudFormation vs Elastic Beanstalk CloudFormation manages infrastructure, while Elastic Beanstalk runs applications in a contained environment, supporting various application types in the cloud.', 'Elements of AWS CloudFormation template The template contains parameters, outputs, data, resources, and format version, enabling specification of resource types and outputting resource names.', 'Rollback Behavior of CloudFormation In case of resource failure, CloudFormation automatically rolls back, deleting all previously created resources, preventing orphan resources and simplifying system administration.']}], 'duration': 479.601, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk5940658.jpg', 'highlights': ['Snowmobile is an exabyte scale migration service that allows us to transfer data up to 100 petabytes, which is equivalent to 100,000 terabytes.', 'AWS Snowball and Snowball Edge are options for moving high volumes of data into and out of a specified AWS region, with Snowball Edge having additional computing functions.', 'Snowball and the Snowball series are designed for petabyte-sized data migrations.', 'AWS CloudFormation vs Elastic Beanstalk CloudFormation manages infrastructure, while Elastic Beanstalk runs applications in a contained environment, supporting various application types in the cloud.', 'Elements of AWS CloudFormation template The template contains parameters, outputs, data, resources, and format version, enabling specification of resource types and outputting resource names.', 'Rollback Behavior of CloudFormation In case of resource failure, CloudFormation automatically rolls back, deleting all previously created resources, preventing orphan resources and simplifying system administration.']}, {'end': 7283.219, 'segs': [{'end': 6450.073, 'src': 'embed', 'start': 6420.259, 'weight': 0, 'content': [{'end': 6422.561, 'text': 'so there are no orphan resources in our account.', 'start': 6420.259, 'duration': 2.302}, {'end': 6425.722, 'text': "Now let's talk about some questions in Elastic Block Store.", 'start': 6422.941, 'duration': 2.781}, {'end': 6434.165, 'text': 'Again, if the environment deals with a lot of automation, you could be thrown this question how can you automate EC2 backup using EBS??', 'start': 6426.022, 'duration': 8.143}, {'end': 6436.285, 'text': "It's actually a six-step process.", 'start': 6434.685, 'duration': 1.6}, {'end': 6443.688, 'text': "To automate the EC2 backups, we'll need to write a script to automate the below steps using AWS API.", 'start': 6436.466, 'duration': 7.222}, {'end': 6447.451, 'text': 'and these are the steps that should be found in the scripts.', 'start': 6443.988, 'duration': 3.463}, {'end': 6450.073, 'text': 'First to get the list of instances,', 'start': 6447.651, 'duration': 2.422}], 'summary': 'Strive to eliminate orphan resources in account; automate ec2 backup using ebs via a six-step process.', 'duration': 29.814, 'max_score': 6420.259, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6420259.jpg'}, {'end': 6496.492, 'src': 'embed', 'start': 6468.427, 'weight': 1, 'content': [{'end': 6475.753, 'text': 'and it needs to assign a retention period for the snapshot, because over time the snapshots are going to be invalid.', 'start': 6468.427, 'duration': 7.326}, {'end': 6479.276, 'text': 'right, once you have some 10 latest snapshots,', 'start': 6475.753, 'duration': 3.523}, {'end': 6487.284, 'text': "any snapshot that you've taken before that 10 becomes invalid because you've captured the latest and 10 snapshot coverage is enough for you.", 'start': 6479.276, 'duration': 8.008}, {'end': 6496.492, 'text': 'and then the fifth point is to create a snapshot of each volume, create a new snapshot of each volume And then delete the old snapshot.', 'start': 6487.284, 'duration': 9.208}], 'summary': 'Assign retention period for snapshots to manage invalidity and ensure 10 latest snapshots are captured, creating and deleting new snapshots for each volume.', 'duration': 28.065, 'max_score': 6468.427, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6468427.jpg'}, {'end': 6585.002, 'src': 'embed', 'start': 6558.778, 'weight': 2, 'content': [{'end': 6568.327, 'text': 'On the other hand, instance store is temporary storage and that storage is actually physically attached to the host of the machine.', 'start': 6558.778, 'duration': 9.549}, {'end': 6576.835, 'text': 'EBS is an external storage and instance store is locally attached to the instance or locally attached to the host of the machine.', 'start': 6568.567, 'duration': 8.268}, {'end': 6583.721, 'text': 'We cannot detach an instance store from one instance and attach it to another, but we can do that with EBS.', 'start': 6577.015, 'duration': 6.706}, {'end': 6585.002, 'text': "so that's a big difference.", 'start': 6583.721, 'duration': 1.281}], 'summary': 'Instance store is locally attached, ebs is detachable external storage.', 'duration': 26.224, 'max_score': 6558.778, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6558778.jpg'}, {'end': 6809.099, 'src': 'embed', 'start': 6781.431, 'weight': 3, 'content': [{'end': 6787.437, 'text': 'And we can use AWS Ops Automator to automatically handle all snapshots.', 'start': 6781.431, 'duration': 6.006}, {'end': 6793.904, 'text': 'The Ops Automator service, it allows us to create, copy, delete EBS snapshots.', 'start': 6787.738, 'duration': 6.166}, {'end': 6798.809, 'text': 'so there are cloud formation templates available for aws, ops automator,', 'start': 6794.244, 'duration': 4.565}, {'end': 6805.295, 'text': 'and this automator template will scan the environment and it would take snapshots.', 'start': 6798.809, 'duration': 6.486}, {'end': 6809.099, 'text': 'it would, you know, copy the snapshot from one region to another region if you want.', 'start': 6805.295, 'duration': 3.804}], 'summary': 'Aws ops automator automates ebs snapshot creation, copying, and deletion, with cloud formation templates available.', 'duration': 27.668, 'max_score': 6781.431, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6781431.jpg'}, {'end': 7013.535, 'src': 'embed', 'start': 6980.675, 'weight': 4, 'content': [{'end': 6983.879, 'text': "and let's call it as application load balancer and network load balancer.", 'start': 6980.675, 'duration': 3.204}, {'end': 6986.822, 'text': "So that's how now we have two different load balancers.", 'start': 6983.939, 'duration': 2.883}, {'end': 6988.224, 'text': 'Talking about load balancer,', 'start': 6987.042, 'duration': 1.182}, {'end': 6995.372, 'text': 'another classic question could be what are the different uses of the various load balancers in AWS Elastic Load Balancing?', 'start': 6988.224, 'duration': 7.148}, {'end': 6997.314, 'text': 'There are three types of load balancer.', 'start': 6995.612, 'duration': 1.702}, {'end': 6998.576, 'text': 'We just spoke about it.', 'start': 6997.374, 'duration': 1.202}, {'end': 7004.844, 'text': 'Application load balancer is used if we need flexible application management and TLS termination.', 'start': 6998.776, 'duration': 6.068}, {'end': 7013.535, 'text': 'And network load balancer, if we require extreme performance and the load balancing should happen based on static IPs for the application.', 'start': 7005.044, 'duration': 8.491}], 'summary': 'Aws elastic load balancing offers three types of load balancers: application load balancer for flexible application management and tls termination, and network load balancer for extreme performance and load balancing based on static ips.', 'duration': 32.86, 'max_score': 6980.675, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6980675.jpg'}, {'end': 7065.088, 'src': 'embed', 'start': 7040.565, 'weight': 5, 'content': [{'end': 7048.854, 'text': 'When talking about security and firewall in AWS, we cannot avoid discussion talking about WAF, Web Application Firewall.', 'start': 7040.565, 'duration': 8.289}, {'end': 7057.784, 'text': "And you would definitely see yourself in this situation where you've been asked how can you use AWS WAF in monitoring your AWS applications?", 'start': 7048.954, 'duration': 8.83}, {'end': 7065.088, 'text': 'WAF, or Web Application Firewall, protects our web application from common web exploits.', 'start': 7058.084, 'duration': 7.004}], 'summary': 'Aws waf protects web applications from common web exploits.', 'duration': 24.523, 'max_score': 7040.565, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7040565.jpg'}, {'end': 7189.365, 'src': 'embed', 'start': 7163.49, 'weight': 6, 'content': [{'end': 7171.554, 'text': 'Still talking about security, what are the different AWS IAM categories we can control? Using AWS IAM, we can do the following.', 'start': 7163.49, 'duration': 8.064}, {'end': 7174.055, 'text': 'One is create and manage IAM users.', 'start': 7171.794, 'duration': 2.261}, {'end': 7180.318, 'text': 'And once the user database gets bigger and bigger, we can create and manage them in groups.', 'start': 7174.415, 'duration': 5.903}, {'end': 7189.365, 'text': 'And in IAM we can use it to manage the security credentials kind of setting the complexity of the password,', 'start': 7180.698, 'duration': 8.667}], 'summary': 'Aws iam allows control over user and group management, and security credentials settings.', 'duration': 25.875, 'max_score': 7163.49, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7163490.jpg'}], 'start': 6420.259, 'title': 'Automating ec2 backup using ebs and aws interview questions', 'summary': 'Explains a six-step process for automating ec2 backups using ebs and discusses various aws interview questions including differences between ebs and instant store, efs backup solutions, managing ebs snapshots, types of elastic load balancers, uses of load balancers, and aws waf and iam categories for security management.', 'chapters': [{'end': 6511.424, 'start': 6420.259, 'title': 'Automating ec2 backup using ebs', 'summary': 'Explains the six-step process for automating ec2 backups using ebs, including getting the list of instances, connecting to aws using the api, listing ebs volumes, managing snapshot retention, creating new snapshots, and deleting old snapshots.', 'duration': 91.165, 'highlights': ['The six-step process for automating EC2 backups using EBS includes getting the list of instances, connecting to AWS using the API, listing EBS volumes, managing snapshot retention, creating new snapshots, and deleting old snapshots.', 'Retention period for the snapshots is crucial, with the recommendation to keep the 10 latest snapshots as any older snapshots become invalid, ensuring efficient management of snapshot coverage.', 'Automating EC2 backups using EBS involves creating a script to connect to AWS API and list Amazon EBS volumes, making it essential for environments dealing with automation and AWS management.', 'The process requires ensuring that the script can connect to AWS using the API and list the Amazon EBS volumes attached locally to the instance, highlighting the importance of automation in managing EC2 backups.']}, {'end': 7283.219, 'start': 6511.424, 'title': 'Aws interview questions and answers', 'summary': 'Discusses various aws interview questions, including differences between ebs and instant store, efs backup solutions, managing ebs snapshots, types of elastic load balancers in aws, uses of load balancers, and aws waf and iam categories for security management.', 'duration': 771.795, 'highlights': ['The chapter discusses the differences between EBS and instant store, with EBS being permanent storage and instance store being temporary storage, and the ability to detach EBS from one instance and attach it to another. EBS is permanent storage, data lives even after the lifetime of the EC2 instance, can be moved from one instance to another, whereas instance store is volatile data, and data is lost if the disk fails or the instance is stopped or terminated.', 'It explains the EFS backup solution, highlighting that EFS does not support Snapshot like EBS, and the process to take EFS to EFS backup and recover data from unintended changes or deletions. EFS does not support Snapshot, backup is possible from one EFS to another EFS, and the backup solution is for recovering from unintended changes or deletions, which can be automated.', 'The detailed information on managing EBS snapshots is provided, including automatic deletion of old snapshots using AWS Ops Automator, making snapshot management easier. Best practice is to take snapshots of EBS volume to S3, use AWS Ops Automator to handle snapshots, including creation, copying, and deletion, and automate deletion of snapshots older than the retention period.', 'The different types of Elastic Load Balancers in AWS are explained, along with their use cases and differences, covering application load balancer, network load balancer, and classic load balancer. Application load balancer for flexible application management and TLS termination, network load balancer for extreme performance and routing based on static IPs, and classic load balancer for EC2 classic network environment.', 'The usage and features of AWS WAF in monitoring web applications are detailed, including controlling traffic, creating custom rules, and monitoring and managing requests. AWS WAF helps control traffic source, create custom rules for blocking common attack patterns, and can be used for allowing, blocking, and counting requests, based on specific characteristics.', 'The categories of AWS IAM for security management are outlined, covering user and group management, security credential management, and policy creation for granting access to AWS services and resources. AWS IAM can be used for creating and managing IAM users and groups, managing security credentials, and creating policies for granting access to AWS services and resources.']}], 'duration': 862.96, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk6420259.jpg', 'highlights': ['The six-step process for automating EC2 backups using EBS includes getting the list of instances, connecting to AWS using the API, listing EBS volumes, managing snapshot retention, creating new snapshots, and deleting old snapshots.', 'Retention period for the snapshots is crucial, with the recommendation to keep the 10 latest snapshots as any older snapshots become invalid, ensuring efficient management of snapshot coverage.', 'The chapter discusses the differences between EBS and instant store, with EBS being permanent storage and instance store being temporary storage, and the ability to detach EBS from one instance and attach it to another.', 'The detailed information on managing EBS snapshots is provided, including automatic deletion of old snapshots using AWS Ops Automator, making snapshot management easier.', 'The different types of Elastic Load Balancers in AWS are explained, along with their use cases and differences, covering application load balancer, network load balancer, and classic load balancer.', 'The usage and features of AWS WAF in monitoring web applications are detailed, including controlling traffic, creating custom rules, and monitoring and managing requests.', 'The categories of AWS IAM for security management are outlined, covering user and group management, security credential management, and policy creation for granting access to AWS services and resources.']}, {'end': 9134.32, 'segs': [{'end': 7333.78, 'src': 'embed', 'start': 7309.263, 'weight': 5, 'content': [{'end': 7316.71, 'text': 'And on the other hand, IAM role is an IAM entity that defines a set of permissions for making AWS service requests.', 'start': 7309.263, 'duration': 7.447}, {'end': 7321.575, 'text': 'So IAM user is a permanent credential and role are temporary credentials.', 'start': 7316.83, 'duration': 4.745}, {'end': 7326.497, 'text': 'And IAM user has full access to all AWS IAM functionalities.', 'start': 7321.915, 'duration': 4.582}, {'end': 7333.78, 'text': 'And with role, trusted entities such as IAM users, application or AWS services assume the role.', 'start': 7326.777, 'duration': 7.003}], 'summary': 'Iam role provides temporary credentials for trusted entities to assume the role, while iam user has permanent full access to all aws iam functionalities.', 'duration': 24.517, 'max_score': 7309.263, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7309263.jpg'}, {'end': 7394.596, 'src': 'embed', 'start': 7364.656, 'weight': 6, 'content': [{'end': 7367.658, 'text': "Let's talk about managed policies in AWS.", 'start': 7364.656, 'duration': 3.002}, {'end': 7372.982, 'text': 'Managed policies, there are two types, you know, customer managed and Amazon managed.', 'start': 7367.938, 'duration': 5.044}, {'end': 7380.727, 'text': 'So managed policies are IAM resources that express permissions using the IAM policy language.', 'start': 7373.222, 'duration': 7.505}, {'end': 7390.113, 'text': 'We can create policies, edit them, manage them, manage them separately from the IAM user group and roles which they are attached to.', 'start': 7380.767, 'duration': 9.346}, {'end': 7394.596, 'text': 'So they are something that we can do to managed policies if it is customer managed.', 'start': 7390.173, 'duration': 4.423}], 'summary': 'Aws offers two types of managed policies: customer managed and amazon managed, providing flexibility in managing iam resources.', 'duration': 29.94, 'max_score': 7364.656, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7364656.jpg'}, {'end': 7812.672, 'src': 'embed', 'start': 7786.484, 'weight': 7, 'content': [{'end': 7794.174, 'text': 'Another classic question from Route53 would be how does Amazon Route53 provide high availability and low latency?', 'start': 7786.484, 'duration': 7.69}, {'end': 7801.564, 'text': 'The way Amazon Route53 provides high availability and low latency is by globally distributed DNS servers.', 'start': 7794.395, 'duration': 7.169}, {'end': 7805.527, 'text': 'Amazon is a global service and they have DNS services globally.', 'start': 7801.944, 'duration': 3.583}, {'end': 7812.672, 'text': 'Any customer doing a query from different parts of the world, they get to reach an DNS server which is very local to them,', 'start': 7805.707, 'duration': 6.965}], 'summary': 'Amazon route53 provides high availability and low latency through globally distributed dns servers.', 'duration': 26.188, 'max_score': 7786.484, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7786484.jpg'}, {'end': 7899.515, 'src': 'embed', 'start': 7871.858, 'weight': 8, 'content': [{'end': 7877.099, 'text': 'environmental backups then you can expect questions in AWS config.', 'start': 7871.858, 'duration': 5.241}, {'end': 7887.026, 'text': 'A classic question would be, how does AWS Config work along with AWS CloudTrail? AWS CloudTrail actually records user API activity on the account.', 'start': 7877.279, 'duration': 9.747}, {'end': 7897.434, 'text': "And, you know, any HTTP, HTTPS access or any sort of access, you know, that's made it to the cloud environment that's recorded in the CloudTrail.", 'start': 7887.407, 'duration': 10.027}, {'end': 7899.515, 'text': 'in other words any api calls.', 'start': 7897.694, 'duration': 1.821}], 'summary': 'Aws config and cloudtrail record api activity and access in cloud environments.', 'duration': 27.657, 'max_score': 7871.858, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7871858.jpg'}, {'end': 8139.772, 'src': 'embed', 'start': 8113.961, 'weight': 9, 'content': [{'end': 8126.825, 'text': "reserved instances are purchased for one year or three year reservation and in return we get a very low per hour pricing because we're paying upfront.", 'start': 8113.961, 'duration': 12.864}, {'end': 8132.986, 'text': "it's generally said that reserved instance is 75% cheaper than on-demand instance,", 'start': 8126.825, 'duration': 6.161}, {'end': 8139.772, 'text': "and Amazon gives you that benefit because you're committing for one year and sometimes you're paying in advance for the whole year.", 'start': 8132.986, 'duration': 6.786}], 'summary': 'Reserved instances offer 75% cost savings, with pricing upfront for 1-3 years.', 'duration': 25.811, 'max_score': 8113.961, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk8113961.jpg'}, {'end': 8873.662, 'src': 'embed', 'start': 8849.998, 'weight': 0, 'content': [{'end': 8857.907, 'text': 'This cross-platform video game development engine that supports PC, Xbox, PlayStation, iOS and Android platforms,', 'start': 8849.998, 'duration': 7.909}, {'end': 8862.953, 'text': 'allows developers to build and host their games on Amazon servers.', 'start': 8857.907, 'duration': 5.046}, {'end': 8865.395, 'text': 'answer is Amazon Lumberyard.', 'start': 8863.393, 'duration': 2.002}, {'end': 8873.662, 'text': 'This Lumberyard is a free AAA gaming engine, deeply integrated with AWS and Twitch with full source.', 'start': 8865.475, 'duration': 8.187}], 'summary': 'Amazon lumberyard is a free aaa gaming engine integrated with aws and twitch, supporting multiple platforms and hosted on amazon servers.', 'duration': 23.664, 'max_score': 8849.998, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk8849998.jpg'}, {'end': 8935.536, 'src': 'embed', 'start': 8912.881, 'weight': 1, 'content': [{'end': 8923.129, 'text': 'Now, Cost Explorer is an option in the Amazon console that helps you to visualize and understand and even manage the AWS cost over time.', 'start': 8912.881, 'duration': 10.248}, {'end': 8923.95, 'text': "Who's spending more?", 'start': 8923.21, 'duration': 0.74}, {'end': 8925.991, 'text': "Who's spending less? And what is the trend?", 'start': 8924.03, 'duration': 1.961}, {'end': 8928.153, 'text': 'What is the projected cost for the coming month?', 'start': 8926.052, 'duration': 2.101}, {'end': 8931.354, 'text': 'All these can be visualized in AWS Cost Explorer.', 'start': 8928.273, 'duration': 3.081}, {'end': 8932.615, 'text': "Let's look at this question.", 'start': 8931.494, 'duration': 1.121}, {'end': 8935.536, 'text': 'You are a chief cloud architect at your company.', 'start': 8932.775, 'duration': 2.761}], 'summary': 'Aws cost explorer visualizes and manages aws cost over time for better insights.', 'duration': 22.655, 'max_score': 8912.881, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk8912881.jpg'}, {'end': 9000.452, 'src': 'embed', 'start': 8976.235, 'weight': 2, 'content': [{'end': 8985.022, 'text': 'Autoscaling is the service that helps us to easily adjust, monitor and ensure the maximum performance and efficiency of all scalable resources.', 'start': 8976.235, 'duration': 8.787}, {'end': 8989.546, 'text': 'It does that by automatically scaling the environment to handle the inputs.', 'start': 8985.162, 'duration': 4.384}, {'end': 8990.847, 'text': "Let's look at this question.", 'start': 8989.806, 'duration': 1.041}, {'end': 9000.452, 'text': 'As a database administrator, you will use a service that is used to set up and manage databases such as MySQL, MariaDB and PostgreSQL.', 'start': 8990.987, 'duration': 9.465}], 'summary': 'Autoscaling optimizes scalable resources, while the database service manages mysql, mariadb, and postgresql.', 'duration': 24.217, 'max_score': 8976.235, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk8976235.jpg'}, {'end': 9046.443, 'src': 'embed', 'start': 9022.12, 'weight': 3, 'content': [{'end': 9031.009, 'text': 'just like the name says, it helps to migrate the database from on-premises to the cloud and from one database flavor to another database flavor.', 'start': 9022.12, 'duration': 8.889}, {'end': 9041.178, 'text': 'Amazon. RDS is the service, is the console, is the service, is the umbrella service that helps us to set up manage databases like MySQL,', 'start': 9031.209, 'duration': 9.969}, {'end': 9043.44, 'text': 'MariaDB and PostgreSQL.', 'start': 9041.178, 'duration': 2.262}, {'end': 9044.821, 'text': "It's Amazon RTS.", 'start': 9043.58, 'duration': 1.241}, {'end': 9046.443, 'text': "Let's look at this last question.", 'start': 9045.122, 'duration': 1.321}], 'summary': 'Amazon rds facilitates database migration to the cloud and between different flavors, such as mysql, mariadb, and postgresql.', 'duration': 24.323, 'max_score': 9022.12, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk9022120.jpg'}, {'end': 9096.195, 'src': 'embed', 'start': 9070.359, 'weight': 4, 'content': [{'end': 9077.703, 'text': "It's dealing with pushing messages to Google, Facebook, Windows and Apple through APIs or AWS Management Console.", 'start': 9070.359, 'duration': 7.344}, {'end': 9080.164, 'text': 'You will use the following service.', 'start': 9077.883, 'duration': 2.281}, {'end': 9081.945, 'text': "It's Simple Notification Service.", 'start': 9080.484, 'duration': 1.461}, {'end': 9085.988, 'text': 'Simple notification service is a message pushing service.', 'start': 9082.245, 'duration': 3.743}, {'end': 9087.449, 'text': 'SQS is pulling.', 'start': 9086.488, 'duration': 0.961}, {'end': 9089.87, 'text': 'Similarly, SNS is pushing.', 'start': 9087.649, 'duration': 2.221}, {'end': 9096.195, 'text': 'Here. it talks about a pushing system that pushes messages to Google, Facebook, Windows and Apple through API,', 'start': 9090.311, 'duration': 5.884}], 'summary': 'Discusses pushing messages to google, facebook, windows, and apple through apis using simple notification service.', 'duration': 25.836, 'max_score': 9070.359, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk9070359.jpg'}], 'start': 7283.219, 'title': 'Aws services overview', 'summary': 'Covers amazon aws services like amazon lumberyard, cost explorer, autoscaling, rds, and simple notification service, emphasizing their functionalities and use cases for game development, cost management, resource monitoring, database management, and message pushing.', 'chapters': [{'end': 7592.766, 'start': 7283.219, 'title': 'Iam roles vs users and managed policies in aws', 'summary': 'Explains the difference between iam roles and iam users, the types of managed policies, and the use case of iam in managing user access, emphasizing its role in providing secure access to resources and the ability to manage access for federated users.', 'duration': 309.547, 'highlights': ['IAM role defines permissions for making AWS service requests, while IAM user has full access to all AWS IAM functionalities. IAM role defines a set of permissions for making AWS service requests, while IAM user has full access to all AWS IAM functionalities.', 'Managed policies in AWS are customer managed and Amazon managed, allowing the management of permissions separately from the IAM user group and roles to which they are attached. Managed policies in AWS are customer managed and Amazon managed, allowing the management of permissions separately from the IAM user group and roles to which they are attached.', 'IAM helps manage IAM users and their access, as well as access for federated users, providing secure access to appropriate AWS resources and allowing authentication using various third-party identity management systems. IAM helps manage IAM users and their access, as well as access for federated users, providing secure access to appropriate AWS resources and allowing authentication using various third-party identity management systems.']}, {'end': 7871.858, 'start': 7593.291, 'title': 'Route53 routing and high availability', 'summary': 'Covers the difference between latency-based and geo-based dns routing in amazon route53, use cases for each, the difference between domain and hosted zone, and how amazon route53 provides high availability and low latency through globally distributed dns servers.', 'duration': 278.567, 'highlights': ['Amazon Route53 uses latency-based routing to achieve minimum end user latency, which is used to direct customers to data centers for lowest latency possible. Latency-based routing utilizes latency measurements between networks and data centers to give customers the lowest latency possible.', 'Geo-based DNS routing is used to direct customers to different websites based on their geographic location and ensure compliance with local handling of DNS requests. Geo-based routing takes routing decisions based on the geographic location of the request and can be used to direct customers to different websites based on the country they are browsing from or to ensure compliance with local handling of DNS requests within a country.', 'The difference between a domain and a hosted zone is that a domain is a collection of data describing a self-contained administrative and technical unit on the internet, while a hosted zone is a container that holds information about how to route traffic on the internet to a specific domain. A domain is a self-contained administrative and technical unit on the internet, while a hosted zone is a container that holds information about how to route traffic on the internet to a specific domain.', 'Amazon Route53 provides high availability and low latency through globally distributed DNS servers, ensuring that customers can reach a local DNS server for low latency and optimal locations. Amazon Route53 provides high availability and low latency by using globally distributed DNS servers, allowing customers to reach a local DNS server for low latency and optimal locations.']}, {'end': 8494.325, 'start': 7871.858, 'title': 'Aws config and cloudtrail', 'summary': 'Covers the differences between aws config and cloudtrail, their functionalities, integration with other aws services, and database-related topics including scaling, maintenance window in amazon rds, and consistency models in dynamodb.', 'duration': 622.467, 'highlights': ['AWS Config captures point-in-time configuration details of resources while CloudTrail records user API activity, including time, type of call, and response, providing insights into resource modifications and security group configurations. AWS Config captures point-in-time configuration details of resources while CloudTrail records user API activity, including time, type of call, and response. CloudTrail provides insights into resource modifications and security group configurations.', 'AWS Config can aggregate data across different AWS accounts, demonstrating its flexibility and ability to deliver updates from different accounts to one S3 bucket. AWS Config can aggregate data across different AWS accounts, demonstrating its flexibility and ability to deliver updates from different accounts to one S3 bucket.', 'Reserved instances offer a significantly lower per-hour pricing, with estimates indicating a 75% cost reduction compared to on-demand instances, making them a cost-effective choice for long-term commitments. Reserved instances offer a significantly lower per-hour pricing, with estimates indicating a 75% cost reduction compared to on-demand instances, making them a cost-effective choice for long-term commitments.', 'The types of scaling for databases include vertical scaling, which involves increasing the node size, and horizontal scaling, which involves adding more nodes. RDS databases can be scaled vertically to 18 different types of instances and horizontally using read-only replicas. The types of scaling for databases include vertical scaling, which involves increasing the node size, and horizontal scaling, which involves adding more nodes. RDS databases can be scaled vertically to 18 different types of instances and horizontally using read-only replicas.', 'RDS maintenance window allows users to schedule instance modifications, upgrades, and patching, with the assurance that the DB instance will remain available during the event, and automatic scheduling is done for security and durability related patches. RDS maintenance window allows users to schedule instance modifications, upgrades, and patching, with the assurance that the DB instance will remain available during the event, and automatic scheduling is done for security and durability related patches.', 'DynamoDB supports eventual consistency read and strongly consistent read, offering flexibility in read throughput and guaranteeing updated data retrieval, and also provides flexible querying options using global and local secondary indexes. DynamoDB supports eventual consistency read and strongly consistent read, offering flexibility in read throughput and guaranteeing updated data retrieval, and also provides flexible querying options using global and local secondary indexes.']}, {'end': 8827.181, 'start': 8494.325, 'title': 'Aws multiple choice questions', 'summary': 'Discusses multiple choice questions related to aws services, including examples such as amazon simple queue service for decoupling software components, amazon chime for audio and video conferencing, aws batch for running thousands of similar jobs, amazon sagemaker for building and training machine learning models, and amazon elastic load balancing for adjusting aws resource capacity based on incoming application and network traffic.', 'duration': 332.856, 'highlights': ['Amazon Simple Queue Service is used to decouple the environment and introduces decoupling by providing a queue between two software components.', 'Amazon Chime allows creation of chat boards and collaboration with AWS security features for audio and video conferencing, supported by AWS security features.', "AWS Batch is the service that runs thousands of individual jobs which are similar, suitable for a company's AWS solution architect in charge of designing thousands of individual jobs.", 'Amazon SageMaker provides developers and data scientists with the ability to build, train, and deploy machine learning models quickly.', 'Amazon Elastic Load Balancer helps in adjusting the capacity of the AWS resource based on the incoming application and network traffic, indirectly increasing the availability of the application and monitoring it.']}, {'end': 9134.32, 'start': 8827.521, 'title': 'Amazon aws services overview', 'summary': 'Discusses amazon aws services including amazon lumberyard, cost explorer, autoscaling, rds, and simple notification service, with a focus on their functionalities and use cases for game development, cost management, resource monitoring, database management, and message pushing.', 'duration': 306.799, 'highlights': ['Amazon Lumberyard is a free AAA gaming engine deeply integrated with AWS and Twitch, supporting PC, Xbox, PlayStation, iOS, and Android platforms. Amazon Lumberyard is a cross-platform game development engine deeply integrated with AWS and Twitch, providing support for PC, Xbox, PlayStation, iOS, and Android platforms.', 'AWS Cost Explorer helps visualize, understand, and manage AWS cost over time, providing insights on spending trends and projected costs. Cost Explorer is an Amazon console option that aids in visualizing, understanding, and managing AWS costs over time, offering insights into spending trends and projected costs.', 'Autoscaling is a service that automatically monitors and adjusts computer resources to ensure maximum performance and efficiency of all scalable resources. Autoscaling is a service that automatically monitors and adjusts computer resources to ensure maximum performance and efficiency of all scalable resources, handling inputs by scaling the environment.', 'AWS RDS is the umbrella service for setting up and managing databases like MySQL, MariaDB, and PostgreSQL. AWS RDS is the umbrella service for setting up and managing databases like MySQL, MariaDB, and PostgreSQL, providing comprehensive database management capabilities.', 'Simple Notification Service is used for pushing messages to Google, Facebook, Windows, and Apple through APIs or AWS Management Console. Simple Notification Service is used for pushing messages to Google, Facebook, Windows, and Apple through APIs or AWS Management Console, serving as a message pushing service.']}], 'duration': 1851.101, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/q46MXNk9aRk/pics/q46MXNk9aRk7283219.jpg', 'highlights': ['Amazon Lumberyard is a cross-platform game development engine deeply integrated with AWS and Twitch, providing support for PC, Xbox, PlayStation, iOS, and Android platforms.', 'Cost Explorer is an Amazon console option that aids in visualizing, understanding, and managing AWS costs over time, offering insights into spending trends and projected costs.', 'Autoscaling is a service that automatically monitors and adjusts computer resources to ensure maximum performance and efficiency of all scalable resources, handling inputs by scaling the environment.', 'AWS RDS is the umbrella service for setting up and managing databases like MySQL, MariaDB, and PostgreSQL, providing comprehensive database management capabilities.', 'Simple Notification Service is used for pushing messages to Google, Facebook, Windows, and Apple through APIs or AWS Management Console, serving as a message pushing service.', 'IAM role defines a set of permissions for making AWS service requests, while IAM user has full access to all AWS IAM functionalities.', 'Managed policies in AWS are customer managed and Amazon managed, allowing the management of permissions separately from the IAM user group and roles to which they are attached.', 'Amazon Route53 provides high availability and low latency by using globally distributed DNS servers, allowing customers to reach a local DNS server for low latency and optimal locations.', 'AWS Config captures point-in-time configuration details of resources while CloudTrail records user API activity, including time, type of call, and response, providing insights into resource modifications and security group configurations.', 'Reserved instances offer a significantly lower per-hour pricing, with estimates indicating a 75% cost reduction compared to on-demand instances, making them a cost-effective choice for long-term commitments.']}], 'highlights': ['Auto scaling allows automatic provisioning and launching of instances based on demand, optimizing resource usage.', 'Auto scaling not only meets increasing demand by launching new instances but also reduces resource usage during low demand, providing cost efficiency.', 'Geo-targeting in CloudFront enables customized content delivery based on user location and preferences, enhancing user engagement and delivering relevant content globally.', 'AWS products like EC2, S3, and VPC are designed to provide scalable and reliable solutions for compute, storage, and networking needs.', 'Leveraging Cost Explorer services to view usage patterns, spending history, and forecast future spending, and employing budgets to set spending limits and receive alerts when nearing the allocated budget amount.', 'The centralized logging solution involving CloudWatch logs, S3 storage, Elasticsearch visualization, and Kinesis data movement aids in tracking operational and security changes, enhancing monitoring capabilities.', 'AWS Shield and WAF are the major native services for preventing DDoS attacks, specifically designed to mitigate denial of service.', 'CloudWatch is a vital tool for monitoring applications, state changes, and auto-scaling events. It also supports scheduled events and integrates well with other AWS services like Lambda and notifications through SNS.', 'Differences between stopping and terminating EC2 instances, and the types of EC2 instances based on cost and usage duration.', 'NAT Gateway is a managed service by Amazon with high availability and performance, while NAT Instance is managed by users and has lower availability and performance based on instance type.', 'The distinction between region-specific and availability zone-specific AWS services is discussed, including examples such as EC2, EBS, S3, and DynamoDB to test the understanding of these concepts.', 'Automate EC2 instance recovery using CloudWatch to set alarms based on CPU utilization or low utilization.', 'Differences between AWS S3 and EBS in terms of storage capabilities, performance, redundancy, and security.', 'Setup cross-region replication monitor using various AWS tools to ensure data consistency and monitor data replication between different regions.', 'VPC troubleshooting includes enabling DNS hostname resolution for custom DNS names to allow server connections.', 'Amazon Cognito is suitable for adding user sign-up, sign-in, and access control to a mobile app, enabling administrators to manage user access for web and mobile apps.', 'AWS Inspector enhances the security and compliance of apps deployed in the cloud, aligning with the need for app-centric services.', 'Amazon Elastic Container Service is the correct AWS service for deploying, managing, and scaling containerized applications using Kubernetes.', 'AWS Lambda is the service that runs code without provisioning and managing servers.', 'Snowmobile is an exabyte scale migration service that allows us to transfer data up to 100 petabytes, which is equivalent to 100,000 terabytes.', 'AWS Snowball and Snowball Edge are options for moving high volumes of data into and out of a specified AWS region, with Snowball Edge having additional computing functions.', 'AWS CloudFormation vs Elastic Beanstalk CloudFormation manages infrastructure, while Elastic Beanstalk runs applications in a contained environment, supporting various application types in the cloud.', 'The six-step process for automating EC2 backups using EBS includes getting the list of instances, connecting to AWS using the API, listing EBS volumes, managing snapshot retention, creating new snapshots, and deleting old snapshots.', 'Retention period for the snapshots is crucial, with the recommendation to keep the 10 latest snapshots as any older snapshots become invalid, ensuring efficient management of snapshot coverage.', 'The chapter discusses the differences between EBS and instant store, with EBS being permanent storage and instance store being temporary storage, and the ability to detach EBS from one instance and attach it to another.', 'The different types of Elastic Load Balancers in AWS are explained, along with their use cases and differences, covering application load balancer, network load balancer, and classic load balancer.', 'Amazon Lumberyard is a cross-platform game development engine deeply integrated with AWS and Twitch, providing support for PC, Xbox, PlayStation, iOS, and Android platforms.', 'Cost Explorer is an Amazon console option that aids in visualizing, understanding, and managing AWS costs over time, offering insights into spending trends and projected costs.', 'Autoscaling is a service that automatically monitors and adjusts computer resources to ensure maximum performance and efficiency of all scalable resources, handling inputs by scaling the environment.', 'AWS RDS is the umbrella service for setting up and managing databases like MySQL, MariaDB, and PostgreSQL, providing comprehensive database management capabilities.', 'Simple Notification Service is used for pushing messages to Google, Facebook, Windows, and Apple through APIs or AWS Management Console, serving as a message pushing service.', 'IAM role defines a set of permissions for making AWS service requests, while IAM user has full access to all AWS IAM functionalities.', 'Managed policies in AWS are customer managed and Amazon managed, allowing the management of permissions separately from the IAM user group and roles to which they are attached.', 'Amazon Route53 provides high availability and low latency by using globally distributed DNS servers, allowing customers to reach a local DNS server for low latency and optimal locations.', 'AWS Config captures point-in-time configuration details of resources while CloudTrail records user API activity, including time, type of call, and response, providing insights into resource modifications and security group configurations.', 'Reserved instances offer a significantly lower per-hour pricing, with estimates indicating a 75% cost reduction compared to on-demand instances, making them a cost-effective choice for long-term commitments.']}