title
AWS Interview Questions Part - 1 | AWS Interview Questions And Answers Part - 1 | 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-3t0AP1kO0do&utm_medium=DescriptionFirstFold&utm_source=youtube 🔥Caltech Cloud Computing Bootcamp(US Only): https://www.simplilearn.com/cloud-computing-bootcamp-certification-course?utm_campaign=AWS-3t0AP1kO0do&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 #AWS #WhatIsAWS #AmazonWebServices #AWSTutorial #AWSTraining #CloudComputing #Simplilearn To learn more about AWS, subscribe to our YouTube channel: https://www.youtube.com/channel/UCsvqVGtbbyHaMoevxPAq9Fg?view_as=subscriber 📚 For a more detailed understanding on AWS, do visit: https://www.simplilearn.com/aws-interview-questions-and-answers-article?&utm_medium=Description&utm_source=youtube You will find in-depth content on AWS. Browse further to discover similar resources on related topics, made available to you as a learning path. Enjoy top-quality learning for FREE. Download the Cloud Computing Career Guide to explore and step into the extensive world of Cloud, and follow the path towards your dream career- https://bit.ly/3eH7R0V To access the slides, click here: https://www.slideshare.net/Simplilearn/aws-interview-questions-part-1-aws-interview-questions-and-answers-part-1-simplilearn Check out our AWS Solution Architect Certification Training: https://www.simplilearn.com/cloud-computing/aws-solution-architect-associate-training?utm_campaign=What-is-Cloud-Computing-ID&utm_medium=Tutorials&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-3t0AP1kO0do&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 Part - 1 | AWS Interview Questions And Answers Part - 1 | Simplilearn', 'heatmap': [{'end': 2300.574, 'start': 2243.889, 'weight': 1}], 'summary': 'Learn about aws interview questions, cloud services, cost management, ddos mitigation, security, amis, ec2 automation, vpc connectivity, and service strategies, aiming to help candidates prepare for cloud interviews and understand essential aws products and services.', 'chapters': [{'end': 477.525, 'segs': [{'end': 74.41, 'src': 'embed', 'start': 3.376, 'weight': 0, 'content': [{'end': 10.441, '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': 3.376, 'duration': 7.065}, {'end': 20.329, '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': 10.441, 'duration': 9.888}, {'end': 27.915, 'text': "By the way, I'm a cloud technical architect, trainer, and an interview panelist for cloud network and DevOps.", 'start': 20.589, 'duration': 7.326}, {'end': 34.941, 'text': "So as you progress in watching, you're going to see that these questions are practical,", 'start': 28.435, 'duration': 6.506}, {'end': 44.348, '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': 34.941, 'duration': 9.407}, {'end': 46.19, 'text': "So why wait? Let's move on.", 'start': 44.628, 'duration': 1.562}, {'end': 48.231, 'text': 'So, in an interview,', 'start': 46.99, 'duration': 1.241}, {'end': 58.499, 'text': 'you would find yourself with a question that might ask you define and explain the three basic types of cloud services and the AWS products that are built based on them.', 'start': 48.231, 'duration': 10.268}, {'end': 61.721, 'text': "See here, it's a very straightforward question.", 'start': 59.019, 'duration': 2.702}, {'end': 65.824, 'text': 'Just explain three basic types of cloud service.', 'start': 61.781, 'duration': 4.043}, {'end': 70.527, 'text': "and when we talk about basic type of cloud service, it's compute.", 'start': 66.284, 'duration': 4.243}, {'end': 72.569, 'text': "obviously that's a very basic service.", 'start': 70.527, 'duration': 2.042}, {'end': 74.41, 'text': 'storage, obviously,', 'start': 72.569, 'duration': 1.841}], 'summary': 'Aws interview prep: practical, scenario-based questions on aws products and architecture for cracking cloud job.', 'duration': 71.034, 'max_score': 3.376, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3376.jpg'}, {'end': 128.723, 'src': 'embed', 'start': 97.823, 'weight': 6, 'content': [{'end': 99.463, 'text': "so they're not considered as basic.", 'start': 97.823, 'duration': 1.64}, {'end': 103.785, 'text': 'so when we talk about basics, they are compute, storage and networking.', 'start': 99.463, 'duration': 4.322}, {'end': 110.418, 'text': 'And the second part of the questions is explain some of the AWS products that are built based on them.', 'start': 104.437, 'duration': 5.981}, {'end': 113.999, 'text': 'Of course, compute EC2 is a major one.', 'start': 110.538, 'duration': 3.461}, {'end': 117.52, 'text': "That's the major share of the compute resource.", 'start': 114.239, 'duration': 3.281}, {'end': 121.041, 'text': 'And then we have platform as a service, which is Elastic Beanstalk.', 'start': 117.88, 'duration': 3.161}, {'end': 123.962, 'text': 'And then function as a service, which is Lambda.', 'start': 121.221, 'duration': 2.741}, {'end': 128.723, 'text': 'Autoscaling and LightSail are also part of compute services.', 'start': 124.282, 'duration': 4.441}], 'summary': 'Aws basics include compute, storage, and networking. ec2, elastic beanstalk, lambda, autoscaling, and lightsail are major compute services.', 'duration': 30.9, 'max_score': 97.823, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do97823.jpg'}, {'end': 185.746, 'src': 'embed', 'start': 148.599, 'weight': 5, 'content': [{'end': 150.22, 'text': 'The next one was storage.', 'start': 148.599, 'duration': 1.621}, {'end': 158.886, 'text': "A lot of emphasis is on storage these days because if there's one thing that grows in a network on a daily basis, that's storage.", 'start': 150.78, 'duration': 8.106}, {'end': 162.708, 'text': 'Every new day we have new data to store, process, manage.', 'start': 159.026, 'duration': 3.682}, {'end': 167.051, 'text': 'So storage is again a basic and an important cloud service.', 'start': 163.188, 'duration': 3.863}, {'end': 176.217, 'text': 'And the products that are built based on the storage services are S3, object storage Glacier for archiving, EBS,', 'start': 167.111, 'duration': 9.106}, {'end': 185.746, 'text': 'elastic block storage as a drive attachment for the EC2 instances and EFS file share for the EC2 instances.', 'start': 176.217, 'duration': 9.529}], 'summary': 'Storage is a crucial cloud service due to daily data growth, with products like s3, glacier, ebs, and efs.', 'duration': 37.147, 'max_score': 148.599, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do148599.jpg'}, {'end': 385.74, 'src': 'embed', 'start': 359.807, 'weight': 7, 'content': [{'end': 368.47, 'text': 'so in short, auto scaling it helps us to automatically provision and launch new instances whenever there is an demand.', 'start': 359.807, 'duration': 8.663}, {'end': 377.976, 'text': 'It not only helps us meeting the increasing demand, it also helps in reducing the resource usage when there is low demand.', 'start': 368.791, 'duration': 9.185}, {'end': 385.74, 'text': 'So auto scaling also allows us to decrease the resources or resource capacity as per the need of that particular arc.', 'start': 378.016, 'duration': 7.724}], 'summary': 'Auto scaling automatically provisions new instances to meet demand, reducing resource usage when demand is low.', 'duration': 25.933, 'max_score': 359.807, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do359807.jpg'}, {'end': 457.767, 'src': 'embed', 'start': 432.005, 'weight': 8, 'content': [{'end': 440.573, 'text': 'The whole point is to provide users worldwide access to the data from a very nearest server possible.', 'start': 432.005, 'duration': 8.568}, {'end': 443.796, 'text': "That's the whole point in using or going for CloudFront.", 'start': 440.593, 'duration': 3.203}, {'end': 450.141, 'text': 'Then what do you mean by geo-targeting? Geo-targeting is showing customer and specific content.', 'start': 443.896, 'duration': 6.245}, {'end': 453.284, 'text': 'Based on language we can customize the content.', 'start': 450.561, 'duration': 2.723}, {'end': 457.767, 'text': "Based on what's popular in that place we can actually customize the content.", 'start': 453.764, 'duration': 4.003}], 'summary': 'Cloudfront provides global access to data with geo-targeting for customized content.', 'duration': 25.762, 'max_score': 432.005, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do432005.jpg'}], 'start': 3.376, 'title': 'Aws interview questions and cloud services', 'summary': 'Provides an overview of practical aws interview questions and discusses the three basic types of cloud services - compute, storage, and networking - along with corresponding aws products such as ec2, s3, and vpc networking. aimed at helping candidates prepare for cloud interviews and understand essential cloud services and aws products.', 'chapters': [{'end': 48.231, 'start': 3.376, 'title': 'Aws interview questions overview', 'summary': 'Provides an overview of practical aws interview questions for preparation, presented by a cloud technical architect, trainer, and interview panelist, aiming to help candidates crack cloud interviews and secure their dream cloud job.', 'duration': 44.855, 'highlights': ['The speaker is a cloud technical architect, trainer, and interview panelist, providing practical, scenario-based AWS interview questions for preparation.', 'The material aims to assist candidates in cracking cloud interviews and securing their dream cloud job.', 'The questions are practical, scenario-based, and test the depth of knowledge in AWS products and architectures.']}, {'end': 477.525, 'start': 48.231, 'title': 'Types of cloud services and aws products', 'summary': 'Explains the three basic types of cloud services - compute, storage, and networking - and the corresponding aws products. it also discusses the importance and applications of these services, including aws products such as ec2, s3, and vpc networking.', 'duration': 429.294, 'highlights': ['The chapter explains the three basic types of cloud services - compute, storage, and networking - and the corresponding AWS products. The fundamental types of cloud services - compute, storage, and networking - are discussed along with the AWS products built based on them.', 'AWS products such as EC2, S3, VPC networking, Elastic Beanstalk, and Lambda are highlighted as being built based on the basic cloud services. The key AWS products such as EC2, S3, VPC networking, Elastic Beanstalk, and Lambda are emphasized as being developed based on the fundamental cloud services.', 'The importance and applications of compute, storage, and networking in the context of cloud services are discussed, including their roles in managing applications, storing data, and connecting services. The significance and applications of compute, storage, and networking in cloud services are explained, covering their roles in managing applications, data storage, and service connectivity.', 'Explanations are provided for specific AWS products such as EC2, S3, and VPC networking, along with their respective roles and applications. Detailed explanations are given for specific AWS products like EC2, S3, and VPC networking, including their roles and applications.', 'The concept of auto scaling and its benefits in automatically provisioning and launching instances based on demand are highlighted. The concept of auto scaling and its benefits in automatically provisioning and launching instances based on demand are emphasized.', 'The significance of CloudFront in caching content globally and the concept of geo-targeting to provide customized content based on user location are explained. The importance of CloudFront in caching content globally and the concept of geo-targeting to provide customized content based on user location are elaborated.']}], 'duration': 474.149, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3376.jpg', 'highlights': ['The material aims to assist candidates in cracking cloud interviews and securing their dream cloud job.', 'The speaker is a cloud technical architect, trainer, and interview panelist, providing practical, scenario-based AWS interview questions for preparation.', 'The questions are practical, scenario-based, and test the depth of knowledge in AWS products and architectures.', 'The chapter explains the three basic types of cloud services - compute, storage, and networking - and the corresponding AWS products.', 'The fundamental types of cloud services - compute, storage, and networking - are discussed along with the AWS products built based on them.', 'The importance and applications of compute, storage, and networking in the context of cloud services are discussed, including their roles in managing applications, storing data, and connecting services.', 'Explanations are provided for specific AWS products such as EC2, S3, and VPC networking, along with their respective roles and applications.', 'The concept of auto scaling and its benefits in automatically provisioning and launching instances based on demand are highlighted.', 'The significance of CloudFront in caching content globally and the concept of geo-targeting to provide customized content based on user location are explained.']}, {'end': 1373.14, 'segs': [{'end': 503.901, 'src': 'embed', 'start': 477.865, 'weight': 0, 'content': [{'end': 486.834, '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': 477.865, 'duration': 8.969}, {'end': 492.856, 'text': 'And once the origin server gets the specialized or specific country code,', 'start': 487.314, 'duration': 5.542}, {'end': 498.259, 'text': 'it will change the content and it will send to the caching server and it get cached there forever.', 'start': 492.856, 'duration': 5.403}, {'end': 503.901, 'text': 'And the user gets to view a content which is personalized for them for the country they are in.', 'start': 498.679, 'duration': 5.222}], 'summary': "Cloudfront detects viewer's country, sends specialized content, and caches it forever.", 'duration': 26.036, 'max_score': 477.865, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do477865.jpg'}, {'end': 542.161, 'src': 'embed', 'start': 515.544, 'weight': 2, 'content': [{'end': 524.67, 'text': 'We all know that if there is a template, we can simply run it and it provisions the environment, but there is a lot more going into it.', 'start': 515.544, 'duration': 9.126}, {'end': 534.057, 'text': 'so the first step in moving towards infrastructure as a code is to create the cloud formation template, which, as of now,', 'start': 524.67, 'duration': 9.387}, {'end': 536.879, 'text': 'supports json and yaml file format.', 'start': 534.057, 'duration': 2.822}, {'end': 542.161, 'text': 'So first create the CloudFormation template and then save the code in an S3 bucket.', 'start': 537.379, 'duration': 4.782}], 'summary': 'Moving towards infrastructure as code involves creating a cloudformation template in json or yaml format and saving it in an s3 bucket.', 'duration': 26.617, 'max_score': 515.544, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do515544.jpg'}, {'end': 681.743, 'src': 'embed', 'start': 651.572, 'weight': 4, 'content': [{'end': 654.374, 'text': 'All of them want their application to be highly available.', 'start': 651.572, 'duration': 2.802}, {'end': 661.342, 'text': 'So the question would be how do you actually upgrade or downgrade a system with near zero downtime.', 'start': 654.694, 'duration': 6.648}, {'end': 670.253, 'text': 'Now we all know that I can upgrade an EC2 instance to a better EC2 instance by changing the instance type stopping and starting.', 'start': 661.623, 'duration': 8.63}, {'end': 673.978, 'text': 'But stopping and starting is going to cause a downtime.', 'start': 670.293, 'duration': 3.685}, {'end': 681.743, 'text': "right. so that's you should be answering, or you shouldn't be thinking in those terms, because that's wrong answer.", 'start': 674.378, 'duration': 7.365}], 'summary': 'Achieving high application availability while upgrading systems with near zero downtime is a key concern.', 'duration': 30.171, 'max_score': 651.572, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do651572.jpg'}, {'end': 922.81, 'src': 'embed', 'start': 896.213, 'weight': 6, 'content': [{'end': 899.976, 'text': 'So AWS budget is another very good tool that you could use.', 'start': 896.213, 'duration': 3.763}, {'end': 908.164, 'text': 'Cost allocation tags helps in identifying which team or which resource has spent more in that particular month.', 'start': 900.457, 'duration': 7.707}, {'end': 917.148, 'text': 'Instead of looking at the bill as one list with no specifications into it and looking at it as an expenditure list,', 'start': 908.584, 'duration': 8.564}, {'end': 922.81, 'text': 'you can actually break it down and tag the expenditure to the teams with cost allocation tags.', 'start': 917.148, 'duration': 5.662}], 'summary': 'Aws budget tool helps allocate costs by team, improving tracking and accountability.', 'duration': 26.597, 'max_score': 896.213, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do896213.jpg'}, {'end': 1004.368, 'src': 'embed', 'start': 980.957, 'weight': 3, 'content': [{'end': 987.886, 'text': 'So, in other words, other than GUI, how would you use the AWS resource and how familiar are you with those tools and technologies?', 'start': 980.957, 'duration': 6.929}, {'end': 995.155, 'text': 'The other tools that are available that we can leverage and access the AWS resource are, of course, PuTTY.', 'start': 988.346, 'duration': 6.809}, {'end': 1000.382, 'text': 'You can configure PuTTY to access the AWS resources like login to an EC2 instance.', 'start': 995.256, 'duration': 5.126}, {'end': 1004.368, 'text': 'An EC2 instance does not always have to be logged in through the console.', 'start': 1000.563, 'duration': 3.805}], 'summary': 'Utilize putty to access aws resources such as ec2 instances.', 'duration': 23.411, 'max_score': 980.957, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do980957.jpg'}, {'end': 1083.532, 'src': 'embed', 'start': 1058.832, 'weight': 1, 'content': [{'end': 1068.74, 'text': "If you're interviewed in a company or by a company that focuses more on security and want to use AWS native services for their security,", 'start': 1058.832, 'duration': 9.908}, {'end': 1070.762, 'text': 'then you would come across this question.', 'start': 1068.74, 'duration': 2.022}, {'end': 1075.466, 'text': 'What services can be used to create a centralized logging solution?', 'start': 1071.322, 'duration': 4.144}, {'end': 1083.532, 'text': 'The basic services we could use are CloudWatch logs, store them in S3, and then use Elasticsearch to visualize them,', 'start': 1075.826, 'duration': 7.706}], 'summary': 'Aws offers cloudwatch logs and s3 for centralized logging, with the option to visualize using elasticsearch.', 'duration': 24.7, 'max_score': 1058.832, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1058832.jpg'}, {'end': 1334.099, 'src': 'embed', 'start': 1304.894, 'weight': 5, 'content': [{'end': 1311.56, 'text': 'the CloudTrail provides a very high level history of the API calls for all the account.', 'start': 1304.894, 'duration': 6.666}, {'end': 1318.465, 'text': 'And with that, we can actually perform a very good security analysis, a security analysis of our account.', 'start': 1311.88, 'duration': 6.585}, {'end': 1326.532, 'text': 'And these logs are actually delivered to, you can configure it, they can be delivered to S3 for long-time archivals.', 'start': 1318.685, 'duration': 7.847}, {'end': 1334.099, 'text': 'and based on a particular event, it can also send an email notification to us saying hey, just got this error thought.', 'start': 1327.092, 'duration': 7.007}], 'summary': 'Cloudtrail tracks api calls for security analysis and long-term archival, with email notifications for errors.', 'duration': 29.205, 'max_score': 1304.894, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1304894.jpg'}], 'start': 477.865, 'title': 'Aws services and cost management', 'summary': 'Covers cloudfront customization, cloudformation templates, and system upgrades for near zero downtime. it also discusses managing aws costs, budgeting, cost allocation tags, accessing resources through alternative tools, and creating a centralized logging solution using various aws services.', 'chapters': [{'end': 760.258, 'start': 477.865, 'title': 'Cloudfront, cloudformation, zero downtime upgrade', 'summary': "Discusses how cloudfront customizes content based on viewer's location, the steps to create and use cloudformation templates, and upgrading/downgrading a system with near zero downtime.", 'duration': 282.393, 'highlights': ["CloudFront customizes content based on viewer's location by forwarding the country code to the origin server and caching the specialized content, providing personalized content for the viewer's country. CloudFront detects viewer's country, forwards country code to origin server, changes content based on country code, and caches personalized content.", 'The process of creating a CloudFormation template involves creating the template in JSON or YAML format, saving it in an S3 bucket, and using CloudFormation to call the file from the S3 bucket to create a stack, with CloudFormation intelligently understanding the order and dependencies of services. Creating a CloudFormation template in JSON or YAML format, saving it in S3 bucket, using CloudFormation to call file from S3 bucket, and intelligently provisioning services based on order and dependencies.', 'To upgrade a system with near zero downtime, launch a new system parallelly with a bigger EC2 instance type, install necessary components, test the application, and then update Route 53 with the new IP address or transfer static IP/Elastic NIC card to the new machine to handle the cutover, achieving near zero downtime. Upgrading a system with near zero downtime by launching new system with bigger EC2 instance type, testing application, and updating Route 53 or transferring static IP/Elastic NIC card for cutover.']}, {'end': 1373.14, 'start': 760.258, 'title': 'Managing aws costs & security tools', 'summary': 'Discusses managing costs in aws, including tools for cost management, budgeting, and cost allocation tags, as well as accessing aws resources through alternative tools. it also covers creating a centralized logging solution using cloudwatch, s3, elasticsearch, and kinesis, and native aws security logging capabilities such as cloudtrail and aws config services.', 'duration': 612.882, 'highlights': ['Tools for cost management, budgeting, and cost allocation tags The chapter discusses tools for cost management, budgeting, and cost allocation tags, providing visibility into AWS resources, usage patterns, and spending, enabling setting budget limits, and identifying resource allocation.', 'Accessing AWS resources through alternative tools such as PuTTY and AWS CLI The transcript outlines alternative tools like PuTTY and AWS CLI for accessing AWS resources, allowing logging into EC2 instances, running AWS commands, and accessing, monitoring, and provisioning AWS resources from local machines.', 'Creating a centralized logging solution using CloudWatch, S3, Elasticsearch, and Kinesis The chapter explains the creation of a centralized logging solution using CloudWatch, S3, Elasticsearch, and Kinesis, facilitating tracking operational and security changes, visualizing logs, and analyzing infrastructure logs in one place.', 'Native AWS security logging capabilities including CloudTrail and AWS Config Services The transcript covers native AWS security logging capabilities such as CloudTrail and AWS Config Services, providing high-level history of API calls, security analysis, and tracking configuration changes in the environment.']}], 'duration': 895.275, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do477865.jpg', 'highlights': ["CloudFront customizes content based on viewer's location by forwarding the country code to the origin server and caching the specialized content, providing personalized content for the viewer's country.", 'Creating a centralized logging solution using CloudWatch, S3, Elasticsearch, and Kinesis facilitates tracking operational and security changes, visualizing logs, and analyzing infrastructure logs in one place.', 'The process of creating a CloudFormation template involves creating the template in JSON or YAML format, saving it in an S3 bucket, and using CloudFormation to call the file from the S3 bucket to create a stack, with CloudFormation intelligently understanding the order and dependencies of services.', 'Accessing AWS resources through alternative tools such as PuTTY and AWS CLI allows logging into EC2 instances, running AWS commands, and accessing, monitoring, and provisioning AWS resources from local machines.', 'To upgrade a system with near zero downtime, launch a new system parallelly with a bigger EC2 instance type, install necessary components, test the application, and then update Route 53 with the new IP address or transfer static IP/Elastic NIC card to the new machine to handle the cutover, achieving near zero downtime.', 'Native AWS security logging capabilities including CloudTrail and AWS Config Services provide high-level history of API calls, security analysis, and tracking configuration changes in the environment.', 'Tools for cost management, budgeting, and cost allocation tags provide visibility into AWS resources, usage patterns, and spending, enabling setting budget limits, and identifying resource allocation.']}, {'end': 1969.216, 'segs': [{'end': 1398.098, 'src': 'embed', 'start': 1373.501, 'weight': 0, 'content': [{'end': 1382.451, 'text': 'Then the other question you could get asked is the native services that Amazon provides to mitigate DDoS, which is denial of service.', 'start': 1373.501, 'duration': 8.95}, {'end': 1386.813, 'text': 'Now, not all companies would go with Amazon Native Services.', 'start': 1382.891, 'duration': 3.922}, {'end': 1398.098, 'text': 'But there are some companies which want to stick with Amazon Native Services just to save them from the headache of managing the other softwares or bringing in another tool,', 'start': 1387.093, 'duration': 11.005}], 'summary': 'Amazon provides native services to mitigate ddos, not all companies would go with it, but some do to save the hassle of managing other software.', 'duration': 24.597, 'max_score': 1373.501, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1373501.jpg'}, {'end': 1508.935, 'src': 'embed', 'start': 1483.334, 'weight': 2, 'content': [{'end': 1490.04, 'text': 'So the tools, the native tools that helps us to prevent the denial of service attacks in AWS is Cloud Shield.', 'start': 1483.334, 'duration': 6.706}, {'end': 1493.663, 'text': 'and Web Access Firewall, AWS WAF.', 'start': 1490.8, 'duration': 2.863}, {'end': 1495.164, 'text': 'Now they are the major ones.', 'start': 1493.923, 'duration': 1.241}, {'end': 1498.747, 'text': 'They are designed to mitigate a denial of service.', 'start': 1495.284, 'duration': 3.463}, {'end': 1505.533, 'text': 'If your website is often bothered by denial of service then we should be using AWS Shield or AWS WAF.', 'start': 1498.847, 'duration': 6.686}, {'end': 1508.935, 'text': 'And there are a couple of other tools that also does.', 'start': 1506.173, 'duration': 2.762}], 'summary': 'Aws provides cloud shield and aws waf to prevent denial of service attacks, useful for websites frequently targeted.', 'duration': 25.601, 'max_score': 1483.334, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1483334.jpg'}, {'end': 1597.317, 'src': 'embed', 'start': 1571.634, 'weight': 3, 'content': [{'end': 1579.583, 'text': 'You really need to have a good understanding on regions, the services available in those regions and what if a particular service is not available,', 'start': 1571.634, 'duration': 7.949}, {'end': 1580.704, 'text': 'how to go about doing it.', 'start': 1579.583, 'duration': 1.121}, {'end': 1585.329, 'text': 'The answer is not all services are available in all regions.', 'start': 1581.064, 'duration': 4.265}, {'end': 1590.795, 'text': "Anytime Amazon announces a new service, they don't immediately publish them on all regions.", 'start': 1585.749, 'duration': 5.046}, {'end': 1597.317, 'text': 'they start small and, as in, when the traffic increases as and when it becomes more likable to the customers,', 'start': 1591.155, 'duration': 6.162}], 'summary': 'Amazon services not available in all regions, introduced gradually based on customer likability and traffic.', 'duration': 25.683, 'max_score': 1571.634, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1571634.jpg'}, {'end': 1775.917, 'src': 'embed', 'start': 1745.138, 'weight': 4, 'content': [{'end': 1747.259, 'text': 'is meant for collecting metrics,', 'start': 1745.138, 'duration': 2.121}, {'end': 1755.223, 'text': "is meant for providing graphical representation of what's going on in a particular network at a particular point of time.", 'start': 1747.259, 'duration': 7.964}, {'end': 1756.284, 'text': 'so cloudwatch.', 'start': 1755.223, 'duration': 1.061}, {'end': 1765.129, 'text': 'cloudwatch helps us to monitor applications and using cloudwatch we can monitor the state changes, not only the state changes, the auto scaling,', 'start': 1756.284, 'duration': 8.845}, {'end': 1766.45, 'text': 'life cycle, events.', 'start': 1765.129, 'duration': 1.321}, {'end': 1768.752, 'text': 'anytime there are more services added,', 'start': 1766.45, 'duration': 2.302}, {'end': 1775.917, 'text': 'there is a reduction in the number of servers because of less usage and very informative messages can be received through cloudwatch.', 'start': 1768.752, 'duration': 7.165}], 'summary': 'Cloudwatch collects metrics, monitors applications, and provides graphical representation of network activity, including state changes and auto scaling.', 'duration': 30.779, 'max_score': 1745.138, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1745138.jpg'}, {'end': 1921.946, 'src': 'embed', 'start': 1893.958, 'weight': 5, 'content': [{'end': 1900.604, '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': 1893.958, 'duration': 6.646}, {'end': 1907.192, 'text': 'Alright, the three major types of virtualization are HVM, which is hardware virtual machine.', 'start': 1901.244, 'duration': 5.948}, {'end': 1910.476, 'text': 'The other one is PV, para-virtualization.', 'start': 1907.693, 'duration': 2.783}, {'end': 1916.665, 'text': 'And the third one is PV on HVM, para-virtualization on hardware virtual module.', 'start': 1910.937, 'duration': 5.728}, {'end': 1921.946, 'text': 'All right, the difference between them or actually describing them is actually the difference between them.', 'start': 1917.305, 'duration': 4.641}], 'summary': 'Three major types of virtualization: hvm, pv, and pv on hvm, with differences explained.', 'duration': 27.988, 'max_score': 1893.958, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1893958.jpg'}], 'start': 1373.501, 'title': 'Amazon ddos mitigation and aws security overview', 'summary': 'Covers the use of amazon native services for ddos prevention, highlighting its appeal to companies and the increasing adoption of amazon services. it also discusses denial of service attacks, aws tools for prevention, regional service availability, cloudwatch monitoring, and virtualization in aws.', 'chapters': [{'end': 1466.565, 'start': 1373.501, 'title': 'Amazon native services for ddos mitigation', 'summary': 'Discusses the use of amazon native services to prevent ddos attacks, highlighting that some companies opt for these services to avoid the complexities of managing third-party tools, and many companies are utilizing amazon services for ddos prevention.', 'duration': 93.064, 'highlights': ['Some companies opt for Amazon Native Services to avoid managing third-party DDoS tools and software, while many companies are using Amazon services to prevent DDoS attacks.', 'Denial of service (DDoS) is when a user maliciously attempts to access a website or application by creating multiple sessions to deny legitimate users access to the servers.']}, {'end': 1969.216, 'start': 1466.905, 'title': 'Aws security and monitoring overview', 'summary': 'Discusses denial of service attacks and aws tools to prevent them, understanding regional service availability, leveraging cloudwatch for monitoring and integrating it with other services, and types of virtualization in aws.', 'duration': 502.311, 'highlights': ['Cloud Shield and AWS WAF are the major native tools designed to mitigate denial of service attacks in AWS. These tools are crucial for preventing denial of service attacks in AWS.', "Understanding regional service availability is important, as not all services are available in all regions, and it's necessary to check documentation to find the nearest region offering a specific service. It's crucial to understand regional availability and check documentation to find the nearest region offering a specific service.", 'CloudWatch is meant for monitoring and collecting metrics, providing graphical representations of network activity, and integrating well with other AWS services like Lambda and SNS. CloudWatch is a vital tool for monitoring and collecting metrics, providing graphical representations, and integrating with other AWS services.', 'The three major types of virtualization in AWS are HVM, PV, and PV on HVM, each with its unique characteristics and booting mechanisms. Understanding the differences between HVM, PV, and PV on HVM virtualization types is crucial for managing servers in AWS.']}], 'duration': 595.715, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1373501.jpg', 'highlights': ['Many companies are using Amazon services to prevent DDoS attacks.', 'Some companies opt for Amazon Native Services to avoid managing third-party DDoS tools and software.', 'Cloud Shield and AWS WAF are the major native tools designed to mitigate denial of service attacks in AWS.', 'Understanding regional service availability is important for selecting the nearest region offering a specific service.', 'CloudWatch is a vital tool for monitoring and collecting metrics, providing graphical representations, and integrating with other AWS services.', 'The three major types of virtualization in AWS are HVM, PV, and PV on HVM, each with its unique characteristics and booting mechanisms.']}, {'end': 2739.65, 'segs': [{'end': 2013.898, 'src': 'embed', 'start': 1969.896, 'weight': 0, 'content': [{'end': 1974.621, 'text': 'Another good question is name some of the services that are not region specific.', 'start': 1969.896, 'duration': 4.725}, {'end': 1981.568, 'text': "Now, you've been taught that all services are within a region and some services are within an availability zone.", 'start': 1974.661, 'duration': 6.907}, {'end': 1984.331, 'text': 'For example, EC2 is within an availability zone.', 'start': 1981.688, 'duration': 2.643}, {'end': 1986.493, 'text': 'EBS is within an availability zone.', 'start': 1984.651, 'duration': 1.842}, {'end': 1991.254, 'text': 'S3 is region specific, DynamoDB is region specific, stuff like that.', 'start': 1986.873, 'duration': 4.381}, {'end': 2002.056, 'text': 'VPC is both availability and region specific, meaning subnets are availability zone specific and VPC is region specific, stuff like that.', 'start': 1991.674, 'duration': 10.382}, {'end': 2005.016, 'text': 'So you might have thought, you might have learned in that combination.', 'start': 2002.096, 'duration': 2.92}, {'end': 2013.898, 'text': 'But there could be some tricky questions that test how well you have understood the region, non-region, and availability, non-availability services.', 'start': 2005.296, 'duration': 8.602}], 'summary': 'Services like ec2 and ebs are availability zone specific, while s3 and dynamodb are region specific.', 'duration': 44.002, 'max_score': 1969.896, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1969896.jpg'}, {'end': 2129.167, 'src': 'embed', 'start': 2102.559, 'weight': 2, 'content': [{'end': 2107.101, 'text': "you're activating it away from availability zone and regions.", 'start': 2102.559, 'duration': 4.542}, {'end': 2108.341, 'text': 'so a quick recap.', 'start': 2107.101, 'duration': 1.24}, {'end': 2111.163, 'text': 'I am users, groups, roles and accounts.', 'start': 2108.341, 'duration': 2.822}, {'end': 2112.843, 'text': 'they are global services.', 'start': 2111.163, 'duration': 1.68}, {'end': 2114.364, 'text': 'they can be used globally.', 'start': 2112.843, 'duration': 1.521}, {'end': 2120.505, 'text': 'Route 53 services are offered at edge locations and they are global as well.', 'start': 2115.104, 'duration': 5.401}, {'end': 2129.167, 'text': 'Web application firewall, a service that protects our web application from common web exploits, they are global service as well.', 'start': 2121.045, 'duration': 8.122}], 'summary': 'Aws services like route 53 and waf are global and accessible in all regions.', 'duration': 26.608, 'max_score': 2102.559, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2102559.jpg'}, {'end': 2226.155, 'src': 'embed', 'start': 2198.291, 'weight': 3, 'content': [{'end': 2205.42, 'text': 'NAT gateway is managed by Amazon, NAT instance is managed by us and availability of NAT gateway is very high.', 'start': 2198.291, 'duration': 7.129}, {'end': 2213.346, 'text': "And availability of NAT instance is less compared to the NAT gateway because it's managed by us.", 'start': 2205.8, 'duration': 7.546}, {'end': 2217.929, 'text': "You know, it's on an EC2 instance which could actually fail.", 'start': 2213.366, 'duration': 4.563}, {'end': 2220.271, 'text': "And if it fails, we'll have to relaunch it.", 'start': 2218.269, 'duration': 2.002}, {'end': 2226.155, 'text': 'But if it is NAT gateway, if something happens to that service, Amazon would take care of reprovisioning it.', 'start': 2220.351, 'duration': 5.804}], 'summary': 'Amazon-managed nat gateway has higher availability than self-managed nat instance on ec2.', 'duration': 27.864, 'max_score': 2198.291, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2198291.jpg'}, {'end': 2300.574, 'src': 'heatmap', 'start': 2243.889, 'weight': 1, 'content': [{'end': 2245.21, 'text': "So there's a difference there.", 'start': 2243.889, 'duration': 1.321}, {'end': 2253.656, 'text': "And the performance, because it's highly available because of the bigger pipe, 75 gigabits, the performance of the NAT gateway is very high.", 'start': 2245.43, 'duration': 8.226}, {'end': 2256.599, 'text': 'But the performance of the NAT instance is going to be average.', 'start': 2253.937, 'duration': 2.662}, {'end': 2260.362, 'text': 'Again, it depends on the size of the NAT instance that we pick.', 'start': 2256.779, 'duration': 3.583}, {'end': 2261.643, 'text': 'And billing.', 'start': 2260.962, 'duration': 0.681}, {'end': 2269.709, 'text': 'A billing for NAT gateway is the number of gateways that we provision and the duration for which we use the NAT gateway.', 'start': 2262.023, 'duration': 7.686}, {'end': 2275.914, 'text': 'But billing for NAT instance is number of instance and the type of instance that we use.', 'start': 2270.05, 'duration': 5.864}, {'end': 2280.118, 'text': 'Of course, number of instance, duration, and the type of instance that we use.', 'start': 2276.154, 'duration': 3.964}, {'end': 2286.483, 'text': 'Security NAT gateway cannot be assigned, meaning it already comes with full packed security.', 'start': 2280.878, 'duration': 5.605}, {'end': 2290.206, 'text': 'But in that instance, security is a bit customizable.', 'start': 2286.703, 'duration': 3.503}, {'end': 2295.69, 'text': "I can go and change the security because it's a server managed by me or managed by us.", 'start': 2290.586, 'duration': 5.104}, {'end': 2297.431, 'text': 'I can always change the security.', 'start': 2295.97, 'duration': 1.461}, {'end': 2300.574, 'text': "Well, allow this, allow, don't allow this, stuff like that.", 'start': 2297.491, 'duration': 3.083}], 'summary': 'Nat gateway offers high performance with 75 gigabits, while nat instance performance varies based on instance size. billing for nat gateway is based on provisioned gateways and duration, while nat instance billing is determined by the number and type of instances. nat gateway comes with full packed security, while security for nat instance is customizable.', 'duration': 56.685, 'max_score': 2243.889, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2243889.jpg'}, {'end': 2379.624, 'src': 'embed', 'start': 2354.85, 'weight': 4, 'content': [{'end': 2360.413, 'text': 'but when you actually terminate the instance, the instance is moved to this stop state.', 'start': 2354.85, 'duration': 5.563}, {'end': 2368.397, 'text': "the ebs volumes that are attached to it are deleted and removed and we'll never be able to recover them again.", 'start': 2360.413, 'duration': 7.984}, {'end': 2373.259, 'text': "so that's a big difference between stopping and terminating an instance.", 'start': 2368.397, 'duration': 4.862}, {'end': 2379.624, 'text': "if you're thinking of using the instance again, along with the data in it, you should only be thinking of stopping the instance,", 'start': 2373.259, 'duration': 6.365}], 'summary': 'Terminating an instance deletes attached ebs volumes, making data unrecoverable. stopping should be considered for reusing instance and data.', 'duration': 24.774, 'max_score': 2354.85, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2354850.jpg'}, {'end': 2420.379, 'src': 'embed', 'start': 2393.535, 'weight': 5, 'content': [{'end': 2398.638, 'text': 'or even in an engineering position, this is a very common question that gets asked.', 'start': 2393.535, 'duration': 5.103}, {'end': 2401.52, 'text': 'What are the different types of EC2 instances?', 'start': 2398.798, 'duration': 2.722}, {'end': 2404.942, 'text': 'based on their cost or based on how we pay them?', 'start': 2401.52, 'duration': 3.422}, {'end': 2408.746, 'text': "right, they're all compute capacity, for example.", 'start': 2405.422, 'duration': 3.324}, {'end': 2413.932, 'text': 'the different types are on-demand instances, spot instances and reserved instances.', 'start': 2408.746, 'duration': 5.186}, {'end': 2415.313, 'text': 'it kind of looks the same.', 'start': 2413.932, 'duration': 1.381}, {'end': 2417.135, 'text': 'they all provide the compute capacity.', 'start': 2415.313, 'duration': 1.822}, {'end': 2420.379, 'text': 'they all provide the same type of hardwares for us.', 'start': 2417.135, 'duration': 3.244}], 'summary': 'Different types of ec2 instances include on-demand, spot, and reserved instances, all providing compute capacity and hardware.', 'duration': 26.844, 'max_score': 2393.535, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2393535.jpg'}, {'end': 2696.654, 'src': 'embed', 'start': 2674.688, 'weight': 6, 'content': [{'end': 2682.85, 'text': 'and the question goes like this how do you set up ssh agent forwarding so that you do not have to copy the key every time you log in?', 'start': 2674.688, 'duration': 8.162}, {'end': 2690.913, 'text': 'if you have used puri anytime, if you want to log into an ec2 instance, you will have to put the ip and the port number along with that.', 'start': 2682.85, 'duration': 8.063}, {'end': 2696.654, 'text': 'you will have to map, or we will have to map the key in the puri, and this has to be done every time.', 'start': 2690.913, 'duration': 5.741}], 'summary': 'Set up ssh agent forwarding to avoid copying keys for logging in, simplifying access to ec2 instances.', 'duration': 21.966, 'max_score': 2674.688, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2674688.jpg'}], 'start': 1969.896, 'title': 'Aws services specificity', 'summary': 'Discusses the region and availability specificity of aws services, highlighting examples like ec2 and ebs being availability zone specific, while s3 and dynamodb are region specific. it also covers global and regional-specific nature of iam, route 53, cloudfront, differences between nat gateway and nat instances, stopping and terminating an ec2 instance, types of ec2 instances, and the benefits of on-demand, spot, and reserved instances.', 'chapters': [{'end': 2013.898, 'start': 1969.896, 'title': 'Aws services and region specificity', 'summary': 'Discusses the region and availability specificity of aws services, highlighting examples such as ec2 and ebs being availability zone specific, while s3 and dynamodb are region specific.', 'duration': 44.002, 'highlights': ['EC2 and EBS are within an availability zone, while S3 and DynamoDB are region specific.', 'VPC is both availability and region specific, with subnets being availability zone specific and VPC being region specific.']}, {'end': 2739.65, 'start': 2014.358, 'title': 'Aws services and ec2 instances', 'summary': 'Discusses the global and regional-specific nature of aws services such as iam, route 53, cloudfront, and the differences between nat gateway and nat instances. it also covers the differences between stopping and terminating an ec2 instance, the types of ec2 instances, and the benefits of on-demand, spot, and reserved instances.', 'duration': 725.292, 'highlights': ['IAM, Route 53, Web Application Firewall, and CloudFront are global services, not region-specific, and are accessible from everywhere or every part of the world. IAM, Route 53, Web Application Firewall, and CloudFront are global services, not region-specific, allowing users to access them from anywhere, and they offer a global content delivery network.', "NAT gateway is a managed service by Amazon, with high availability and performance, offering up to 75 gigabits of burst traffic, while NAT instance's availability and performance depend on user management and selected instance type. NAT gateway is a managed service by Amazon, offering high availability and performance with up to 75 gigabits of burst traffic, while NAT instance's availability and performance depend on user management and selected instance type.", 'Stopping an EC2 instance performs a normal shutdown and moves the instance to a stopped state, while terminating an instance removes the EBS volumes and is irreversible, making it crucial to decide based on the intent to reuse the instance and its data. Stopping an EC2 instance performs a normal shutdown and moves the instance to a stopped state, while terminating an instance removes the EBS volumes and is irreversible, making it crucial to decide based on the intent to reuse the instance and its data.', 'The types of EC2 instances include on-demand, spot, and reserved instances, each catering to specific cost-saving and capacity reservation needs, with reserved instances offering cost benefits for longer-term usage and various purchase options. The types of EC2 instances include on-demand, spot, and reserved instances, each catering to specific cost-saving and capacity reservation needs, with reserved instances offering cost benefits for longer-term usage and various purchase options.', 'The method of interacting with the AWS environment, whether through CLI, console, or SDK, can impact the evaluation in an AWS interview, and understanding how to set up ssh agent forwarding in PuTTY can improve efficiency in accessing EC2 instances. The method of interacting with the AWS environment, whether through CLI, console, or SDK, can impact the evaluation in an AWS interview, and understanding how to set up ssh agent forwarding in PuTTY can improve efficiency in accessing EC2 instances.']}], 'duration': 769.754, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do1969896.jpg', 'highlights': ['EC2 and EBS are within an availability zone, while S3 and DynamoDB are region specific.', 'VPC is both availability and region specific, with subnets being availability zone specific and VPC being region specific.', 'IAM, Route 53, Web Application Firewall, and CloudFront are global services, not region-specific, and are accessible from everywhere or every part of the world.', "NAT gateway is a managed service by Amazon, with high availability and performance, offering up to 75 gigabits of burst traffic, while NAT instance's availability and performance depend on user management and selected instance type.", 'Stopping an EC2 instance performs a normal shutdown and moves the instance to a stopped state, while terminating an instance removes the EBS volumes and is irreversible, making it crucial to decide based on the intent to reuse the instance and its data.', 'The types of EC2 instances include on-demand, spot, and reserved instances, each catering to specific cost-saving and capacity reservation needs, with reserved instances offering cost benefits for longer-term usage and various purchase options.', 'The method of interacting with the AWS environment, whether through CLI, console, or SDK, can impact the evaluation in an AWS interview, and understanding how to set up ssh agent forwarding in PuTTY can improve efficiency in accessing EC2 instances.']}, {'end': 3342.808, 'segs': [{'end': 2801.834, 'src': 'embed', 'start': 2779.525, 'weight': 4, 'content': [{'end': 2787.289, 'text': "So there are a lot of AMIs available, that lot of operating systems available, I will be able to find Solaris and AX, but that's not the case.", 'start': 2779.525, 'duration': 7.764}, {'end': 2790.93, 'text': 'Solaris and AX are not available with AWS.', 'start': 2787.769, 'duration': 3.161}, {'end': 2799.853, 'text': "That's because Solaris uses a different, I mean, Solaris does not support, the architecture does not support public cloud currently.", 'start': 2791.27, 'duration': 8.583}, {'end': 2801.834, 'text': 'The same goes for AX as well.', 'start': 2799.933, 'duration': 1.901}], 'summary': 'Aws does not support solaris and ax due to architecture limitations.', 'duration': 22.309, 'max_score': 2779.525, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2779525.jpg'}, {'end': 2903.724, 'src': 'embed', 'start': 2872.274, 'weight': 0, 'content': [{'end': 2876.656, 'text': 'so you would want to automate that not only on a weekend or during midnights.', 'start': 2872.274, 'duration': 4.382}, {'end': 2879.898, 'text': "but it's general practice good to automate it.", 'start': 2876.656, 'duration': 3.242}, {'end': 2884.18, 'text': 'so you could face this question how do you actually automate an ec2 instance.', 'start': 2879.898, 'duration': 4.282}, {'end': 2890.641, 'text': 'once it fails, And the answer to that question is using CloudWatch, we can recover the instance.', 'start': 2884.18, 'duration': 6.461}, {'end': 2895.102, 'text': 'So as you see, there is an alarm threshold set in CloudWatch.', 'start': 2890.701, 'duration': 4.401}, {'end': 2903.724, 'text': 'And once the threshold is met, meaning if there is an error, if there is a failure, if the EC2 instance is not responding for a certain while,', 'start': 2895.402, 'duration': 8.322}], 'summary': 'Automate ec2 instance recovery using cloudwatch for error detection and threshold-based recovery.', 'duration': 31.45, 'max_score': 2872.274, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2872274.jpg'}, {'end': 3066.638, 'src': 'embed', 'start': 3042.153, 'weight': 2, 'content': [{'end': 3049.194, 'text': "And if you're getting hired for a system side architect or even on the sysop side, you could face this question.", 'start': 3042.153, 'duration': 7.041}, {'end': 3054.135, 'text': 'What are the common and different types of AMI designs? There are a lot of AMI designs.', 'start': 3049.374, 'duration': 4.761}, {'end': 3057.676, 'text': 'The question is the common ones and the difference between them.', 'start': 3054.455, 'duration': 3.221}, {'end': 3066.638, 'text': 'So the common ones are the full back AMIs and the other one is just enough OS AMI, J E OS AMI.', 'start': 3058.276, 'duration': 8.362}], 'summary': 'Common ami designs include full back amis and just enough os amis, such as jeos ami.', 'duration': 24.485, 'max_score': 3042.153, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3042153.jpg'}, {'end': 3313.847, 'src': 'embed', 'start': 3280.061, 'weight': 3, 'content': [{'end': 3281.162, 'text': 'you ought to recover the data.', 'start': 3280.061, 'duration': 1.101}, {'end': 3281.842, 'text': "it's just the key.", 'start': 3281.162, 'duration': 0.68}, {'end': 3282.763, 'text': "that's having the problem.", 'start': 3281.842, 'duration': 0.921}, {'end': 3288.828, 'text': 'so we can actually focus on the key part alone and change the key, and that will allow us to log in.', 'start': 3283.223, 'duration': 5.605}, {'end': 3290.129, 'text': 'so how do we do it?', 'start': 3288.828, 'duration': 1.301}, {'end': 3291.65, 'text': 'step by step procedure.', 'start': 3290.129, 'duration': 1.521}, {'end': 3297.055, 'text': 'so first verify the ec2 config service is running in that instance.', 'start': 3291.65, 'duration': 5.405}, {'end': 3306.202, 'text': 'if you want, you can actually beforehand install the ec2 config in that service or you can actually make the ec2 config run through the console,', 'start': 3297.055, 'duration': 9.147}, {'end': 3313.847, 'text': 'just a couple of button clicks, and that will make the ec2 config run in that EC2 instance and then detach the root volume for that instance.', 'start': 3306.202, 'duration': 7.645}], 'summary': 'Recover data by changing the key, verify ec2 config service, and detach root volume.', 'duration': 33.786, 'max_score': 3280.061, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3280061.jpg'}], 'start': 2740.256, 'title': 'Aws amis, ec2 automation, and recovery', 'summary': 'Covers the availability of solaris and ax operating systems with aws, automation of ec2 instance recovery using cloudwatch alarms, options to recover, stop, or terminate instances based on cpu utilization, different types of ami designs, including full backed, just enough os, and hybrid amis, and the process to recover login to an ec2 instance when the key is lost.', 'chapters': [{'end': 3041.541, 'start': 2740.256, 'title': 'Aws amis and ec2 automation', 'summary': 'Discusses the availability of solaris and ax operating systems with aws, the automation of ec2 instance recovery using cloudwatch alarms, and the options to recover, stop, or terminate instances based on cpu utilization.', 'duration': 301.285, 'highlights': ['Solaris and AX are not available with AWS due to their architecture not supporting public cloud and running on Power CPU, which Amazon does not provide currently. Solaris and AX operating systems are not available on AWS as they use a different architecture that does not support public cloud, running on Power CPU, which is not provided by Amazon currently.', 'EC2 instances are considered immutable, thus automating their recovery using CloudWatch alarms can ensure instance recovery when failures occur, even during off-hours or weekends. EC2 instances are immutable, and their recovery can be automated using CloudWatch alarms to ensure instance recovery even during off-hours or weekends.', 'CloudWatch alarms can be set to automatically recover, stop, or terminate EC2 instances based on CPU utilization, allowing efficient management of instances and cost optimization. CloudWatch alarms enable the automatic recovery, stoppage, or termination of EC2 instances based on CPU utilization, facilitating effective instance management and cost optimization.']}, {'end': 3342.808, 'start': 3042.153, 'title': 'Ami designs and ec2 recovery', 'summary': 'Discusses the common and different types of ami designs, including full backed, just enough os, and hybrid amis, as well as the process to recover login to an ec2 instance when the key is lost, emphasizing the steps to change the key and regain access.', 'duration': 300.655, 'highlights': ['The chapter discusses the common and different types of AMI designs, including full backed, just enough OS, and hybrid AMIs. The common types of AMI designs such as full backed, just enough OS, and hybrid AMIs are explained.', 'The process to recover login to an EC2 instance when the key is lost is detailed, emphasizing the steps to change the key and regain access. The steps to recover login to an EC2 instance when the key is lost, including verifying the ec2 config service, detaching and attaching the root volume, and modifying the configuration file, are explained.']}], 'duration': 602.552, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do2740256.jpg', 'highlights': ['EC2 instances are immutable, and their recovery can be automated using CloudWatch alarms to ensure instance recovery even during off-hours or weekends.', 'CloudWatch alarms enable the automatic recovery, stoppage, or termination of EC2 instances based on CPU utilization, facilitating effective instance management and cost optimization.', 'The common types of AMI designs such as full backed, just enough OS, and hybrid AMIs are explained.', 'The steps to recover login to an EC2 instance when the key is lost, including verifying the ec2 config service, detaching and attaching the root volume, and modifying the configuration file, are explained.', 'Solaris and AX operating systems are not available on AWS as they use a different architecture that does not support public cloud, running on Power CPU, which is not provided by Amazon currently.']}, {'end': 3738.944, 'segs': [{'end': 3476.952, 'src': 'embed', 'start': 3412.939, 'weight': 0, 'content': [{'end': 3417.441, 'text': "You'll have to go through, or you'll have to go outside of your VPC to access S3.", 'start': 3412.939, 'duration': 4.502}, {'end': 3419.662, 'text': 'S3 does not come under a VPC.', 'start': 3418.041, 'duration': 1.621}, {'end': 3421.883, 'text': 'But EBS comes under a VPC.', 'start': 3419.882, 'duration': 2.001}, {'end': 3426.504, 'text': "It's on the same VPC, so you would be able to use it kind of locally.", 'start': 3422.063, 'duration': 4.441}, {'end': 3428.605, 'text': 'Compared to S3, EBS is very local.', 'start': 3426.564, 'duration': 2.041}, {'end': 3430.866, 'text': "So that way it's going to be faster.", 'start': 3429.245, 'duration': 1.621}, {'end': 3436.848, 'text': 'And redundancy, talking about redundancy of S3 and EBS, S3 is replicated.', 'start': 3431.246, 'duration': 5.602}, {'end': 3443.45, 'text': 'The data in S3 is replicated across the data centers, but EBS is replicated within the data center,', 'start': 3437.028, 'duration': 6.422}, {'end': 3446.671, 'text': 'meaning S3 is replicated across availability zones.', 'start': 3443.45, 'duration': 3.221}, {'end': 3449.472, 'text': 'EBS is within an availability zone.', 'start': 3447.111, 'duration': 2.361}, {'end': 3453.214, 'text': 'So that way redundancy is a bit less in EBS.', 'start': 3449.512, 'duration': 3.702}, {'end': 3457.155, 'text': 'In other words, redundancy is higher in S3 than EBS.', 'start': 3453.714, 'duration': 3.441}, {'end': 3466.022, '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': 3457.615, 'duration': 8.407}, {'end': 3467.384, 'text': "That's possible with S3.", 'start': 3466.162, 'duration': 1.222}, {'end': 3472.308, 'text': 'But EBS can only only be accessed when attached to an EC2 instance.', 'start': 3467.684, 'duration': 4.624}, {'end': 3476.952, 'text': 'right?. Just one instance can access it, whereas S3 is publicly directly accessible.', 'start': 3472.308, 'duration': 4.644}], 'summary': 'S3 is more redundant and publicly accessible than ebs within vpc.', 'duration': 64.013, 'max_score': 3412.939, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3412939.jpg'}, {'end': 3559.748, 'src': 'embed', 'start': 3496.088, 'weight': 3, 'content': [{'end': 3504.415, 'text': "In few cases, there could be an instance where a person is new to the team and you actually don't want them to access the production service.", 'start': 3496.088, 'duration': 8.327}, {'end': 3509.417, 'text': 'Now he is in the production group and by default he or she is granted access to that server,', 'start': 3504.995, 'duration': 4.422}, {'end': 3518.32, 'text': 'but you specifically want to deny access to that production server till the time he or she is matured enough to access or understand the process.', 'start': 3509.417, 'duration': 8.903}, {'end': 3522.082, 'text': "understand the do's and don'ts before they can put their hands on the production server.", 'start': 3518.32, 'duration': 3.762}, {'end': 3526.184, 'text': 'So how do we go about doing it? So first we would categorize our instances.', 'start': 3522.282, 'duration': 3.902}, {'end': 3529.365, 'text': 'Well these are critical instances, these are normal instances.', 'start': 3526.284, 'duration': 3.081}, {'end': 3532.447, 'text': 'And we would actually put a tag on them.', 'start': 3529.785, 'duration': 2.662}, {'end': 3533.688, 'text': "That's how we categorize.", 'start': 3532.647, 'duration': 1.041}, {'end': 3537.591, 'text': 'So you put a tag on them, put a tag saying, well, they are highly critical.', 'start': 3534.169, 'duration': 3.422}, {'end': 3540.754, 'text': 'They are medium critical and they are not critical at all.', 'start': 3537.631, 'duration': 3.123}, {'end': 3543.036, 'text': "Still, they're in production, stuff like that.", 'start': 3540.994, 'duration': 2.042}, {'end': 3550.862, 'text': 'And then you would pick the users who wants to or who should be or should not be given access to a certain server.', 'start': 3543.456, 'duration': 7.406}, {'end': 3554.565, 'text': 'And you would actually allow the user to access that.', 'start': 3551.142, 'duration': 3.423}, {'end': 3557.587, 'text': 'not access servers based on a specific tag.', 'start': 3554.985, 'duration': 2.602}, {'end': 3559.748, 'text': 'in other words, you can use actually tags.', 'start': 3557.587, 'duration': 2.161}], 'summary': 'Categorize instances based on criticality and use tags to control access to production servers for new team members.', 'duration': 63.66, 'max_score': 3496.088, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3496088.jpg'}, {'end': 3621.003, 'src': 'embed', 'start': 3600.568, 'weight': 6, 'content': [{'end': 3610.275, 'text': 'organizations would replicate the data from one region to another region for additional data durability and for having data redundancy.', 'start': 3600.568, 'duration': 9.707}, {'end': 3616.16, 'text': 'Not only for that, they would also do that for DR purposes, for disaster recovery, if the whole region is down.', 'start': 3610.556, 'duration': 5.604}, {'end': 3621.003, 'text': 'you still have the data available somewhere else and you can pick and use it.', 'start': 3616.5, 'duration': 4.503}], 'summary': 'Organizations replicate data for durability, redundancy, and disaster recovery.', 'duration': 20.435, 'max_score': 3600.568, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3600568.jpg'}, {'end': 3668.59, 'src': 'embed', 'start': 3638.375, 'weight': 7, 'content': [{'end': 3646.659, 'text': 'how do you make sure that the replication is not failing and the data gets transferred for sure and there are logs for that replication?', 'start': 3638.375, 'duration': 8.284}, {'end': 3655.103, 'text': 'this is something that the companies would use where they are excessively using s3 and they are fully relying on the replication in running their business.', 'start': 3646.659, 'duration': 8.444}, {'end': 3659.645, 'text': 'And the way we could do it is we can set up a replication monitor.', 'start': 3655.863, 'duration': 3.782}, {'end': 3668.59, 'text': "It's actually a set of tools that we could use together to make sure that the cloud replication, region level replication is happening properly.", 'start': 3659.765, 'duration': 8.825}], 'summary': 'Ensure reliable data replication for companies heavily reliant on s3 using a replication monitor.', 'duration': 30.215, 'max_score': 3638.375, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3638375.jpg'}, {'end': 3750.29, 'src': 'embed', 'start': 3722.407, 'weight': 8, 'content': [{'end': 3730.575, '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': 3722.407, 'duration': 8.168}, {'end': 3738.944, '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': 3730.836, 'duration': 8.108}, {'end': 3750.29, 'text': 'Some common issues that 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': 3739.64, 'duration': 10.65}], 'summary': 'Leverage sns for error notifications; monitor cross-region replication to address common vpc issues.', 'duration': 27.883, 'max_score': 3722.407, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3722407.jpg'}], 'start': 3342.808, 'title': 'Aws services and cloud management', 'summary': 'Discusses differences between aws s3 and ebs, managing access to production servers, and cloud replication monitoring, emphasizing performance, security, access management, data durability, disaster recovery, and monitoring tools like cloudwatch, cloudtrail, and sns.', 'chapters': [{'end': 3495.667, 'start': 3342.808, 'title': 'Differences between aws s3 and ebs', 'summary': 'Discusses the key differences between aws s3 and ebs, highlighting performance, redundancy, and security, along with the method to grant access to users for specific buckets.', 'duration': 152.859, 'highlights': ['S3 is much faster than EBS when accessing from the instance, and EBS is faster than S3 when used within the same VPC. S3 is faster than EBS for external access, while EBS is faster within the VPC, providing quantifiable data on their relative speeds.', 'S3 data is replicated across availability zones, while EBS data is replicated within a single availability zone, indicating higher redundancy in S3. Highlighting the difference in redundancy between S3 and EBS, with quantifiable data on their replication across availability zones.', 'S3 can be made private or public, allowing access from anywhere on the internet, whereas EBS can only be accessed when attached to an EC2 instance. Providing insight into the security differences, with quantifiable data on the accessibility of S3 and EBS from external sources.']}, {'end': 3600.568, 'start': 3496.088, 'title': 'Managing access to production servers', 'summary': 'Discusses the process of categorizing and tagging instances, allowing or denying user access based on tags, and managing access to production servers to ensure new team members understand the process before being granted access, with a focus on denying access to critical servers.', 'duration': 104.48, 'highlights': ['Categorize and tag instances as critical, normal, or non-critical, and allow or deny user access based on these tags. The process involves categorizing instances as critical, normal, or non-critical, putting tags on them, and allowing or denying user access based on these tags.', "Deny access to critical servers for new team members until they have matured enough to understand the process. New team members can be denied access to critical servers until they have matured enough to understand the process and the do's and don'ts.", 'Manage access to production servers by allowing or denying based on the tags assigned to the servers. Access to production servers can be managed by allowing or denying based on the tags assigned to the servers, ensuring that new team members are not allowed access to critical servers until they are matured enough.', "Address the need to deny access to critical servers for new team members until they understand the process. There is a need to deny access to critical servers for new team members until they understand the process and the do's and don'ts, ensuring they are matured enough before accessing production servers.", "Consider denying access to critical servers for new team members until they understand the process and the do's and don'ts. It is important to consider denying access to critical servers for new team members until they understand the process and the do's and don'ts, thus ensuring they are matured enough before being granted access."]}, {'end': 3738.944, 'start': 3600.568, 'title': 'Cloud replication monitoring', 'summary': 'Discusses the importance of data replication in organizations for data durability, redundancy, disaster recovery, compliance, and low latency access, and presents a solution for ensuring consistency in cloud replication through monitoring tools like cloudwatch, cloudtrail, and sns.', 'duration': 138.376, 'highlights': ['Cloud replication is crucial for organizations for data durability, redundancy, disaster recovery, compliance, and low latency access. Organizations replicate data across regions for additional durability, redundancy, disaster recovery, compliance, and low latency access.', 'The challenge lies in ensuring consistency in cloud replication and verifying that the data transfer is not failing. The challenge faced by organizations is to ensure consistency in cloud replication and prevent data transfer failures.', 'Solution involves setting up a cross-region replication monitor using tools like CloudWatch, CloudTrail, and SNS to ensure proper data replication and generate logs for monitoring. The solution involves establishing a cross-region replication monitor using tools like CloudWatch, CloudTrail, and SNS to ensure proper data replication and generate monitoring logs.']}], 'duration': 396.136, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3342808.jpg', 'highlights': ['S3 is much faster than EBS for external access, while EBS is faster within the VPC.', 'S3 data is replicated across availability zones, indicating higher redundancy in S3.', 'S3 can be made private or public, allowing access from anywhere on the internet.', 'Categorize and tag instances as critical, normal, or non-critical, and allow or deny user access based on these tags.', 'Deny access to critical servers for new team members until they have matured enough to understand the process.', 'Manage access to production servers by allowing or denying based on the tags assigned to the servers.', 'Cloud replication is crucial for organizations for data durability, redundancy, disaster recovery, compliance, and low latency access.', 'The challenge lies in ensuring consistency in cloud replication and verifying that the data transfer is not failing.', 'Solution involves setting up a cross-region replication monitor using tools like CloudWatch, CloudTrail, and SNS to ensure proper data replication and generate logs for monitoring.']}, {'end': 4114.442, 'segs': [{'end': 3759.979, 'src': 'embed', 'start': 3739.64, 'weight': 2, 'content': [{'end': 3750.29, 'text': 'Some common issues that 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': 3739.64, 'duration': 10.65}, {'end': 3756.055, 'text': "but by default the servers won't connect to the other servers using our custom DNS name.", 'start': 3750.29, 'duration': 5.765}, {'end': 3758.598, 'text': 'It does not do that by default.', 'start': 3756.436, 'duration': 2.162}, {'end': 3759.979, 'text': "So it's actually a problem.", 'start': 3758.658, 'duration': 1.321}], 'summary': 'Companies face vpc connectivity issues with custom dns names.', 'duration': 20.339, 'max_score': 3739.64, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3739640.jpg'}, {'end': 3823.12, 'src': 'embed', 'start': 3779.908, 'weight': 0, 'content': [{'end': 3783.711, 'text': 'and You will be able to answer this question only if you have done it already.', 'start': 3779.908, 'duration': 3.803}, {'end': 3785.372, 'text': "It's a quick and simple step.", 'start': 3783.991, 'duration': 1.381}, {'end': 3787.794, 'text': 'By default, VPC does not allow.', 'start': 3785.572, 'duration': 2.222}, {'end': 3789.075, 'text': "That's the default feature.", 'start': 3787.934, 'duration': 1.141}, {'end': 3794.16, 'text': 'And we will have to enable the DNS hostname resolution before.', 'start': 3789.276, 'duration': 4.884}, {'end': 3799.444, 'text': 'Now this is for the custom DNS, not for the default DNS that comes along.', 'start': 3794.78, 'duration': 4.664}, {'end': 3800.885, 'text': 'This is for the custom DNS.', 'start': 3799.544, 'duration': 1.341}, {'end': 3805.269, 'text': 'So we will have to enable the DNS hostname resolution.', 'start': 3801.085, 'duration': 4.184}, {'end': 3809.052, 'text': "So we'll have to enable DNS hostname resolution.", 'start': 3805.649, 'duration': 3.403}, {'end': 3810.893, 'text': 'So they actually resolve.', 'start': 3809.532, 'duration': 1.361}, {'end': 3816.016, 'text': "Let's say I want to connect to a server1.simplylearn.com.", 'start': 3811.233, 'duration': 4.783}, {'end': 3817.497, 'text': "By default, it's not allowed.", 'start': 3816.216, 'duration': 1.281}, {'end': 3823.12, 'text': 'But if I enable this option, then I will be able to connect to server1.simplylearn.com.', 'start': 3817.637, 'duration': 5.483}], 'summary': 'Enabling dns hostname resolution allows connecting to custom dns like server1.simplylearn.com', 'duration': 43.212, 'max_score': 3779.908, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3779908.jpg'}, {'end': 3888.536, 'src': 'embed', 'start': 3861.992, 'weight': 3, 'content': [{'end': 3870.082, 'text': 'And the question is how do you actually connect the multiple sites to a VPC and make communication happen between them?', 'start': 3861.992, 'duration': 8.09}, {'end': 3872.224, 'text': 'By default it does not do that.', 'start': 3870.362, 'duration': 1.862}, {'end': 3878.832, 'text': 'We know that VPCs, they need to be paired between them in order to access the resources.', 'start': 3872.685, 'duration': 6.147}, {'end': 3880.953, 'text': "let's look at this picture right.", 'start': 3879.332, 'duration': 1.621}, {'end': 3887.616, 'text': 'so i have like a customer network or branch offices in different parts and they get connected to a vpc.', 'start': 3880.953, 'duration': 6.663}, {'end': 3888.536, 'text': "that's fine.", 'start': 3887.616, 'duration': 0.92}], 'summary': 'Connecting multiple sites to a vpc requires pairing vpcs for resource access.', 'duration': 26.544, 'max_score': 3861.992, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3861992.jpg'}, {'end': 4032.689, 'src': 'embed', 'start': 4012.988, 'weight': 4, 'content': [{'end': 4023.758, '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': 4012.988, 'duration': 10.77}, {'end': 4028.183, 'text': "as in, what's the traffic pattern, what's the behavior of the traffic pattern?", 'start': 4023.758, 'duration': 4.425}, {'end': 4028.884, 'text': 'and stuff like that?', 'start': 4028.183, 'duration': 0.701}, {'end': 4032.689, 'text': 'So there are some security products and features available in VPC.', 'start': 4028.924, 'duration': 3.765}], 'summary': 'Vpc flow logs capture incoming and outgoing traffic for analysis, including traffic patterns and behavior.', 'duration': 19.701, 'max_score': 4012.988, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4012988.jpg'}, {'end': 4074.234, 'src': 'embed', 'start': 4050.303, 'weight': 5, 'content': [{'end': 4060.369, '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': 4050.303, 'duration': 10.066}, {'end': 4062.149, 'text': "That's the basic service.", 'start': 4060.749, 'duration': 1.4}, {'end': 4066.731, 'text': "As you see, it actually captures what's allowed, what's not allowed, stuff like that.", 'start': 4062.329, 'duration': 4.402}, {'end': 4070.112, 'text': 'Which IP is allowed, which IP is not allowed, stuff like that.', 'start': 4067.211, 'duration': 2.901}, {'end': 4074.234, 'text': 'So we can gather it and we can use that for analysis.', 'start': 4070.352, 'duration': 3.882}], 'summary': 'Gain visibility on vpc using vpc flow logs, capturing allowed and not allowed traffic for analysis.', 'duration': 23.931, 'max_score': 4050.303, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4050303.jpg'}], 'start': 3739.64, 'title': 'Vpc connectivity and security features', 'summary': 'Discusses enabling dns hostname resolution in vpc to resolve connectivity issues and explains cloud hub architecture, security features, and monitoring options available in vpc, providing comprehensive insights for effective vpc management.', 'chapters': [{'end': 3823.12, 'start': 3739.64, 'title': 'Vpc dns hostname resolution', 'summary': 'Discusses the common issue in vpc where servers cannot connect using custom dns names and explores the process of enabling dns hostname resolution to resolve this issue.', 'duration': 83.48, 'highlights': ['Enabling DNS hostname resolution is necessary for allowing servers to connect using custom DNS names, such as server1.simplylearn.com.', 'By default, VPC does not allow servers to connect using custom DNS names, requiring the administrator or architect to enable DNS hostname resolution.', 'The issue involves VPC not resolving servers through DNS, preventing connections via DNS names and requiring the resolution of the problem by enabling DNS hostname resolution.']}, {'end': 4114.442, 'start': 3823.56, 'title': 'Vpc connectivity and security features', 'summary': 'Explains how to connect multiple sites to a vpc using cloud hub architecture, the advantages of cloud hub, security products and features available in vpc, and how to monitor vpc using vpc flow logs and cloud watch.', 'duration': 290.882, 'highlights': ['Connecting Multiple Sites to a VPC The chapter explains how to connect multiple sites to a VPC using cloud hub architecture, which allows corporate networks to talk to each other through the VPC, providing centralized control on traffic routing and access.', 'Security Products and Features in VPC The VPC provides security features such as network access control lists, security groups, and flow logs to capture incoming and outgoing traffic for later analysis, ensuring secure access and monitoring within the VPC.', 'Monitoring VPC The chapter discusses monitoring the VPC using VPC flow logs to capture allowed and denied traffic, as well as using CloudWatch to log data transfers and identify unusual data patterns, providing visibility and insights for analysis and potential security threats.']}], 'duration': 374.802, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do3739640.jpg', 'highlights': ['Enabling DNS hostname resolution is necessary for allowing servers to connect using custom DNS names, such as server1.simplylearn.com.', 'By default, VPC does not allow servers to connect using custom DNS names, requiring the administrator or architect to enable DNS hostname resolution.', 'The issue involves VPC not resolving servers through DNS, preventing connections via DNS names and requiring the resolution of the problem by enabling DNS hostname resolution.', 'Connecting Multiple Sites to a VPC The chapter explains how to connect multiple sites to a VPC using cloud hub architecture, which allows corporate networks to talk to each other through the VPC, providing centralized control on traffic routing and access.', 'Security Products and Features in VPC The VPC provides security features such as network access control lists, security groups, and flow logs to capture incoming and outgoing traffic for later analysis, ensuring secure access and monitoring within the VPC.', 'Monitoring VPC The chapter discusses monitoring the VPC using VPC flow logs to capture allowed and denied traffic, as well as using CloudWatch to log data transfers and identify unusual data patterns, providing visibility and insights for analysis and potential security threats.']}, {'end': 5473.702, 'segs': [{'end': 4165.863, 'src': 'embed', 'start': 4136.077, 'weight': 2, 'content': [{'end': 4139.639, 'text': 'if you come across all right when you find yourself in such situation,', 'start': 4136.077, 'duration': 3.562}, {'end': 4144.764, 'text': 'the key to clear them is to understand the question properly read between the lines.', 'start': 4139.639, 'duration': 5.125}, {'end': 4145.725, 'text': "that's what they say.", 'start': 4144.764, 'duration': 0.961}, {'end': 4150.328, 'text': 'you know there can be like a big paragraph with three lines or ten lines.', 'start': 4145.725, 'duration': 4.603}, {'end': 4155.893, 'text': 'you really got to understand what the question is about and then try to find answer for that question.', 'start': 4150.328, 'duration': 5.565}, {'end': 4158.375, 'text': "so that's a thumb rule number one.", 'start': 4155.893, 'duration': 2.482}, {'end': 4165.863, 'text': 'and then the second rule is try to compare and contrast the services mention or try to compare and contrast the answers.', 'start': 4158.375, 'duration': 7.488}], 'summary': 'Understanding the question is key and comparing services or answers is crucial in handling situations effectively.', 'duration': 29.786, 'max_score': 4136.077, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4136077.jpg'}, {'end': 4294.395, 'src': 'embed', 'start': 4272.886, 'weight': 0, 'content': [{'end': 4284.03, 'text': 'DynamoDB is actually an fast and flexible NoSQL database service and And it provides a single digit millisecond latency at any scale.', 'start': 4272.886, 'duration': 11.144}, {'end': 4286.231, 'text': "And it's a database at the same time.", 'start': 4284.59, 'duration': 1.641}, {'end': 4288.792, 'text': "It's a key value store model database.", 'start': 4286.291, 'duration': 2.501}, {'end': 4292.174, 'text': 'So the right answer is DynamoDB.', 'start': 4288.852, 'duration': 3.322}, {'end': 4294.395, 'text': "Alright, let's look at the next question.", 'start': 4292.394, 'duration': 2.001}], 'summary': 'Dynamodb is a fast nosql database with single digit millisecond latency at any scale.', 'duration': 21.509, 'max_score': 4272.886, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4272886.jpg'}, {'end': 4417.434, 'src': 'embed', 'start': 4388.493, 'weight': 1, 'content': [{'end': 4391.296, 'text': 'but not about gaining aw service.', 'start': 4388.493, 'duration': 2.803}, {'end': 4398.241, 'text': 'So CloudWatch is a service that helps us to get a system wide or an AWS wide, or an account wide.', 'start': 4392.076, 'duration': 6.165}, {'end': 4407.507, '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': 4398.261, 'duration': 9.246}, {'end': 4409.588, 'text': 'be it connection failures.', 'start': 4407.507, 'duration': 2.081}, {'end': 4417.434, 'text': 'CloudWatch is a service that helps us perform a real-time monitoring and get some actionable insights on the services.', 'start': 4410.029, 'duration': 7.405}], 'summary': "Cloudwatch provides real-time monitoring and actionable insights on aws services' performance, including cpu, ram, network utilization, and connection failures.", 'duration': 28.941, 'max_score': 4388.493, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4388493.jpg'}, {'end': 4483.302, 'src': 'embed', 'start': 4452.638, 'weight': 5, 'content': [{'end': 4457.662, 'text': 'Shield, AWS Massey, AWS Inspector, Amazon Cognito.', 'start': 4452.638, 'duration': 5.024}, {'end': 4462.006, 'text': "So let's try to weed out services which are not relevant to it.", 'start': 4457.842, 'duration': 4.164}, {'end': 4470.973, 'text': "So what's AWS Shield? AWS Shield is actually a service that provides a DDoS mitigation or DDoS protection, denial of service protection.", 'start': 4462.066, 'duration': 8.907}, {'end': 4472.374, 'text': "It's in security feature.", 'start': 4471.173, 'duration': 1.201}, {'end': 4473.875, 'text': "Let's talk about the second option.", 'start': 4472.594, 'duration': 1.281}, {'end': 4483.302, 'text': 'AWS Massey is again a security service that uses machine learning to automatically discover and classify the data.', 'start': 4473.935, 'duration': 9.367}], 'summary': 'Aws shield provides ddos protection, aws massey uses machine learning for data security.', 'duration': 30.664, 'max_score': 4452.638, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4452638.jpg'}, {'end': 4708.343, 'src': 'embed', 'start': 4677.541, 'weight': 3, 'content': [{'end': 4680.223, 'text': 'It encrypts, helps us protect the data.', 'start': 4677.541, 'duration': 2.682}, {'end': 4682.845, 'text': 'But AWS Massey is right on spot.', 'start': 4680.283, 'duration': 2.562}, {'end': 4684.367, 'text': "It's a machine learning service.", 'start': 4682.926, 'duration': 1.441}, {'end': 4688.01, 'text': 'It helps us to classify the data and also to protect the data.', 'start': 4684.687, 'duration': 3.323}, {'end': 4691.413, 'text': 'So the answer for this question would be AWS Massey.', 'start': 4688.05, 'duration': 3.363}, {'end': 4693.954, 'text': 'So hope you kind of get it how this is going.', 'start': 4691.693, 'duration': 2.261}, {'end': 4699.137, 'text': "So first we apply the thumb rule, identify the question that's being asked,", 'start': 4694.134, 'duration': 5.003}, {'end': 4703.84, 'text': 'read between the lines and then try to find the service that meets your requirement.', 'start': 4699.137, 'duration': 4.703}, {'end': 4708.343, 'text': 'And finding the service is by first weeding out the wrong ones.', 'start': 4703.94, 'duration': 4.403}], 'summary': 'Aws massey is a machine learning service that helps classify and protect data.', 'duration': 30.802, 'max_score': 4677.541, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4677541.jpg'}, {'end': 4983.455, 'src': 'embed', 'start': 4956.412, 'weight': 4, 'content': [{'end': 4961.296, 'text': 'Now, at this point, after looking at all four, it looks like VPC is the right answer.', 'start': 4956.412, 'duration': 4.884}, {'end': 4962.958, 'text': 'And in fact, VPC is the right answer.', 'start': 4961.316, 'duration': 1.642}, {'end': 4964.799, 'text': 'VPC has public IP address.', 'start': 4963.158, 'duration': 1.641}, {'end': 4967.302, 'text': 'VPC can help us with private IP address.', 'start': 4964.86, 'duration': 2.442}, {'end': 4975.469, 'text': 'VPC can be used to allow deny connection based on the security group, access control list, and routing table it has.', 'start': 4967.462, 'duration': 8.007}, {'end': 4977.751, 'text': "So that's the right answer is VPC.", 'start': 4975.869, 'duration': 1.882}, {'end': 4979.392, 'text': 'all right, how about this one?', 'start': 4978.251, 'duration': 1.141}, {'end': 4983.455, 'text': 'this platform, as a service, or platform as a db service,', 'start': 4979.392, 'duration': 4.063}], 'summary': 'Vpc is the right answer, providing public and private ip addresses, as well as security features.', 'duration': 27.043, 'max_score': 4956.412, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4956412.jpg'}, {'end': 5061.841, 'src': 'embed', 'start': 5030.052, 'weight': 7, 'content': [{'end': 5033.355, 'text': "ElastiCache, it's actually a caching service.", 'start': 5030.052, 'duration': 3.303}, {'end': 5042.422, 'text': "It's again an in-memory data store which helps in achieving high throughput and low latency in memory data store.", 'start': 5033.535, 'duration': 8.887}, {'end': 5053.632, 'text': "So it's not a full-blown database and it does not come with any Amazon provisioned automation in it for automating any of the administration tasks.", 'start': 5042.442, 'duration': 11.19}, {'end': 5056.234, 'text': 'No, it does not come up with anything like that.', 'start': 5053.812, 'duration': 2.422}, {'end': 5061.841, 'text': "Yeah, we can resize the capacity as and when needed, but automation, it's not there yet.", 'start': 5056.494, 'duration': 5.347}], 'summary': 'Elasticache is an in-memory data store for high throughput and low latency, lacking automation features.', 'duration': 31.789, 'max_score': 5030.052, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do5030052.jpg'}, {'end': 5110.143, 'src': 'embed', 'start': 5082.924, 'weight': 6, 'content': [{'end': 5090.15, 'text': 'So the tie is kind of between Amazon Rational Database Service and Amazon ElastiCache, because they both aid the database service,', 'start': 5082.924, 'duration': 7.226}, {'end': 5093.073, 'text': 'but ElastiCache is not a full blown database.', 'start': 5090.15, 'duration': 2.923}, {'end': 5095.895, 'text': "It actually helps database but it's not a full blown database.", 'start': 5093.113, 'duration': 2.782}, {'end': 5098.556, 'text': "So it's Amazon relational database.", 'start': 5096.055, 'duration': 2.501}, {'end': 5100.958, 'text': "That's the one which is a platform as a service.", 'start': 5098.596, 'duration': 2.362}, {'end': 5103.119, 'text': "It's the one which can be resized.", 'start': 5101.218, 'duration': 1.901}, {'end': 5110.143, 'text': "It's the one which can be used to automate the time-consuming administrative tasks.", 'start': 5103.379, 'duration': 6.764}], 'summary': 'Amazon rds and elasticache aid database services, with rds being a platform as a service that can be resized and used to automate administrative tasks.', 'duration': 27.219, 'max_score': 5082.924, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do5082924.jpg'}, {'end': 5221.662, 'src': 'embed', 'start': 5189.98, 'weight': 8, 'content': [{'end': 5193.462, 'text': 'automation can do precise work, but it has to be a repetitive task.', 'start': 5189.98, 'duration': 3.482}, {'end': 5196.304, 'text': 'the scenario, you know it, should have been there already.', 'start': 5193.462, 'duration': 2.842}, {'end': 5197.705, 'text': 'only then that can be executed.', 'start': 5196.304, 'duration': 1.401}, {'end': 5203.11, 'text': "but if it's a new scenario and it requires appropriate addressing, then it requires human tasks.", 'start': 5197.705, 'duration': 5.405}, {'end': 5210.635, 'text': 'so we could hire researchers and consultants who can help solve a problem using amazon mechanical turk.', 'start': 5203.11, 'duration': 7.525}, {'end': 5213.477, 'text': 'the other two are already out of the equation now.', 'start': 5210.635, 'duration': 2.842}, {'end': 5221.662, 'text': "dev pay is actually a payment system through amazon And multi-factor authentication, as it says, it's an authentication system.", 'start': 5213.477, 'duration': 8.185}], 'summary': 'Automation is suitable for repetitive tasks, but new scenarios and problem-solving require human intervention. amazon mechanical turk can be used for this, while devpay is a payment system and multi-factor authentication is an authentication system.', 'duration': 31.682, 'max_score': 5189.98, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do5189980.jpg'}, {'end': 5279.745, 'src': 'embed', 'start': 5252.392, 'weight': 10, 'content': [{'end': 5255.853, 'text': 'All right, the first one, Amazon Elastic Container Service.', 'start': 5252.392, 'duration': 3.461}, {'end': 5257.574, 'text': "Kind of looks like it's the one.", 'start': 5256.213, 'duration': 1.361}, {'end': 5264.976, 'text': "The name itself has the word and the relation we're looking for, Elastic Container Service.", 'start': 5257.934, 'duration': 7.042}, {'end': 5271.26, 'text': 'so this container service is an highly scalable, high performance container orchestration service.', 'start': 5265.516, 'duration': 5.744}, {'end': 5273.301, 'text': "let's look at the other one aws batch.", 'start': 5271.26, 'duration': 2.041}, {'end': 5279.745, 'text': "it's a service that enables it professionals to schedule and execute batch processing.", 'start': 5273.301, 'duration': 6.444}], 'summary': 'Amazon ecs is a highly scalable container orchestration service, while aws batch is used for scheduling and executing batch processing.', 'duration': 27.353, 'max_score': 5252.392, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do5252392.jpg'}, {'end': 5420.01, 'src': 'embed', 'start': 5390.596, 'weight': 11, 'content': [{'end': 5396.16, 'text': "It kind of looks like it could be the answer because Lambda runs code We don't have to manage servers.", 'start': 5390.596, 'duration': 5.564}, {'end': 5398.421, 'text': 'It manages servers by itself.', 'start': 5396.52, 'duration': 1.901}, {'end': 5400.341, 'text': "But we can't conclude as of now.", 'start': 5398.741, 'duration': 1.6}, {'end': 5402.022, 'text': 'We have other two servers to talk about.', 'start': 5400.381, 'duration': 1.641}, {'end': 5403.383, 'text': 'AWS Batch.', 'start': 5402.322, 'duration': 1.061}, {'end': 5407.985, 'text': 'Batch is a service that enables ID professionals to run batch jobs.', 'start': 5403.923, 'duration': 4.062}, {'end': 5408.825, 'text': 'We know that.', 'start': 5408.145, 'duration': 0.68}, {'end': 5412.066, 'text': 'And about Inspector, Amazon Inspector.', 'start': 5409.205, 'duration': 2.861}, {'end': 5420.01, 'text': "It's actually a service that helps us to increase and identify any security issues and align our application with compliance.", 'start': 5412.327, 'duration': 7.683}], 'summary': 'Aws offers lambda, batch, and inspector for serverless computing, batch jobs, and security compliance.', 'duration': 29.414, 'max_score': 5390.596, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do5390596.jpg'}, {'end': 5455.569, 'src': 'embed', 'start': 5428.456, 'weight': 9, 'content': [{'end': 5435.341, 'text': 'AWS Lambda is a service or is the service that runs code without provisioning and managing services right?', 'start': 5428.456, 'duration': 6.885}, {'end': 5436.522, 'text': 'The right one would be AWS Lambda.', 'start': 5435.361, 'duration': 1.161}, {'end': 5437.482, 'text': 'All right.', 'start': 5437.222, 'duration': 0.26}, {'end': 5440.303, 'text': 'So by this, we have come to the end of the first section.', 'start': 5437.502, 'duration': 2.801}, {'end': 5445.625, 'text': 'Very glad that we were able to help you with the interview preparation for your new job.', 'start': 5440.723, 'duration': 4.902}, {'end': 5455.569, 'text': 'And we were able to help you with the different approaches that the companies follow and train you on those areas and get you prepared for the interview.', 'start': 5445.745, 'duration': 9.824}], 'summary': 'Aws lambda is a serverless computing service that runs code without managing servers, aiding in interview preparation for a new job.', 'duration': 27.113, 'max_score': 5428.456, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do5428456.jpg'}], 'start': 4114.85, 'title': 'Aws service strategies', 'summary': 'Covers strategies for handling multiple choice questions, selecting aws services based on use cases, analyzing aws database services, and options for aws container services, with specific examples and comparisons provided for each strategy and service.', 'chapters': [{'end': 4452.178, 'start': 4114.85, 'title': 'Handling multiple choice questions', 'summary': 'Discusses strategies for handling multiple choice questions in interviews, emphasizing the importance of understanding questions, comparing and contrasting answers, and provides examples of choosing the correct database and monitoring services in aws.', 'duration': 337.328, 'highlights': ['DynamoDB is the right answer for a game designer requiring a single digit millisecond latency database service, providing an example of choosing the correct database service in AWS. DynamoDB provides a single digit millisecond latency at any scale, making it suitable for gaming applications, thus serving as the right answer for the scenario.', 'CloudWatch is the appropriate service for performing real-time monitoring of AWS services, offering actionable insights, demonstrating the selection of the correct monitoring service in AWS. CloudWatch provides system-wide visibility and logs storage, enabling real-time monitoring and actionable insights for AWS services, making it the suitable choice for the given scenario.', 'Understanding the need for reading between the lines in a question to effectively handle multiple choice questions in interviews. It is essential to understand the question properly and read between the lines to effectively handle multiple choice questions in interviews, ensuring the selection of the correct answer.']}, {'end': 4979.392, 'start': 4452.638, 'title': 'Aws services selection', 'summary': 'Discusses the selection of aws services based on specific use cases, including ddos protection, sensitive data discovery, and ip address management, demonstrating how aws shield, aws macie, and amazon vpc are chosen for these scenarios.', 'duration': 526.754, 'highlights': ['AWS Macie is chosen for sensitive data discovery and protection, providing machine learning-based classification and encryption of data, making it the ideal choice for an ML engineer seeking a solution for enterprise data discovery and classification. AWS Macie is a security service that uses machine learning to automatically discover and classify data, as well as encrypt and protect sensitive data, making it suitable for sensitive data discovery and protection in an enterprise.', 'Amazon VPC is selected for IP address management, allowing the allocation of private and public IP addresses to communicate with the internet and other instances, making it the appropriate choice for managing IP addresses and controlling connections within the AWS infrastructure. Amazon VPC enables the allocation of private and public IP addresses, as well as the management of connections to the internet and other instances, making it ideal for managing IP addresses and controlling connections within the AWS infrastructure.', 'AWS Shield is identified as the suitable service for DDoS mitigation and denial of service protection, making it an optimal choice for safeguarding apps deployed in the cloud against DDoS attacks. AWS Shield provides DDoS mitigation and denial of service protection, enhancing the security and compliance of apps deployed in the cloud, making it a suitable choice for protecting against DDoS attacks.']}, {'end': 5227.524, 'start': 4979.392, 'title': 'Aws database services analysis', 'summary': 'Compares amazon rds and elasticache as potential database services, with rds being the suitable choice for its ability to automate administrative tasks, provide resizable capacity, and meet the defined requirements, while also explaining the concept of accessing human researchers or consultants through amazon mechanical turk for problem-solving.', 'duration': 248.132, 'highlights': ['Amazon RDS is the suitable choice as it can automate time-consuming administrative tasks, provide resizable capacity, and is a full-blown database, making it a fit for the defined requirements.', 'ElastiCache, while aiding database services, is not a full-blown database and lacks automation for administrative tasks, making it less suitable compared to Amazon RDS.', 'Amazon Mechanical Turk is a means for accessing human researchers or consultants on a contractual or temporary basis for problem-solving, making it the right choice among the listed options for this requirement.', 'Automation is suitable for repetitive tasks, while human intervention is necessary for new scenarios and tasks requiring intelligence, highlighting the need for human researchers and consultants in certain situations.']}, {'end': 5473.702, 'start': 5227.664, 'title': 'Aws container service options', 'summary': 'Discusses the aws services for deploying, managing, and scaling containerized applications and running code without provisioning or managing servers, ultimately identifying aws lambda as the appropriate service for the given scenario.', 'duration': 246.038, 'highlights': ['AWS Lambda is the service that runs code without provisioning and managing servers, making it the appropriate choice for the given scenario. AWS Lambda is an event-driven serverless computing platform that runs code in response to events and automatically manages the required compute resources.', 'Amazon Elastic Container Service (ECS) is a highly scalable, high-performance container orchestration service designed for deploying, managing, and scaling container services. Amazon ECS is a service specifically aimed at deploying, managing, and scaling containerized applications, making it a strong candidate for the given requirements.', 'AWS Batch is a service for enabling IT professionals to schedule and execute batch processing, not suitable for running code without provisioning or managing servers. AWS Batch is focused on batch processing and is not designed for running code without provisioning or managing servers, making it unsuitable for the given scenario.']}], 'duration': 1358.852, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/3t0AP1kO0do/pics/3t0AP1kO0do4114850.jpg', 'highlights': ['DynamoDB provides single digit millisecond latency at any scale, suitable for gaming applications.', 'CloudWatch offers system-wide visibility and logs storage for real-time monitoring of AWS services.', 'Understanding the need for reading between the lines in a question to effectively handle multiple choice questions in interviews.', 'AWS Macie uses machine learning for sensitive data discovery and protection, ideal for enterprise data classification.', 'Amazon VPC enables allocation of private and public IP addresses, suitable for managing IP addresses within AWS infrastructure.', 'AWS Shield provides DDoS mitigation and denial of service protection, enhancing security for apps deployed in the cloud.', 'Amazon RDS automates administrative tasks, provides resizable capacity, and is a full-blown database, suitable for defined requirements.', 'ElastiCache lacks automation for administrative tasks, making it less suitable compared to Amazon RDS.', 'Amazon Mechanical Turk provides access to human researchers or consultants on a contractual basis for problem-solving.', 'AWS Lambda runs code without provisioning and managing servers, suitable for the given scenario.', 'Amazon ECS is a highly scalable, high-performance container orchestration service designed for deploying, managing, and scaling container services.', 'AWS Batch is focused on batch processing and is not designed for running code without provisioning or managing servers.']}], 'highlights': ['The material aims to assist candidates in cracking cloud interviews and securing their dream cloud job.', 'The speaker is a cloud technical architect, trainer, and interview panelist, providing practical, scenario-based AWS interview questions for preparation.', 'The questions are practical, scenario-based, and test the depth of knowledge in AWS products and architectures.', 'The chapter explains the three basic types of cloud services - compute, storage, and networking - and the corresponding AWS products.', 'Many companies are using Amazon services to prevent DDoS attacks.', "CloudFront customizes content based on viewer's location by forwarding the country code to the origin server and caching the specialized content, providing personalized content for the viewer's country.", 'EC2 and EBS are within an availability zone, while S3 and DynamoDB are region specific.', 'VPC is both availability and region specific, with subnets being availability zone specific and VPC being region specific.', 'IAM, Route 53, Web Application Firewall, and CloudFront are global services, not region-specific, and are accessible from everywhere or every part of the world.', 'S3 is much faster than EBS for external access, while EBS is faster within the VPC.', 'DynamoDB provides single digit millisecond latency at any scale, suitable for gaming applications.', 'AWS Macie uses machine learning for sensitive data discovery and protection, ideal for enterprise data classification.', 'AWS Lambda runs code without provisioning and managing servers, suitable for the given scenario.']}