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| Ans. 1. Supports naked domain names 2. Any change in ELB IP is automatically updated in Route53 | ||||
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 Discuss Correct / Improve  aws route53 | ||||
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| Ans. Cname doesn't support naked domain names whereas aliasis does. | ||||
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Discuss Correct / Improve aws route53  Asked in 3 Companies | ||||
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| Ans. Through Aliasis | ||||
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| Discuss Correct / Improve aws route53 | ||||
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| Ans. Route is for routing which is the purpose of DNS and Default port for DNS is 53 | ||||
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| Discuss Correct / Improve aws route53 | ||||
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| Ans. 53 | ||||
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| Discuss Correct / Improve Amazon Web Services (AWS) DNS | ||||
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| Ans. Simple Weighted Latency Failover GeoLocation Multivalue | ||||
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| Discuss Correct / Improve aws route53 Asked in 1 Companies | ||||
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| Ans. Computing that would require high network throughput and low latency within a single availability zone. | ||||
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| Discuss Correct / Improve aws ec2 aws computing amazon cloud computing amazon ec2 placement group aws placement group | ||||
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| Ans. No, We need to de register it first. | ||||
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| Discuss Correct / Improve aws ebs snapshot aws ebs volume snapshot aws ami amazon ami | ||||
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| Ans. Because AWS stores subsequent snapshots as only incremental information. | ||||
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| Discuss Correct / Improve aws ebs snapshot | ||||
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| Ans. It's a service to convert text to speech. | ||||
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| Discuss Correct / Improve aws polly | ||||
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| Ans. Because Vendors need not worry about provisioning , managing and maintaining the servers and it's intrinsically taken care of by AWS. | ||||
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| Discuss Correct / Improve Amazon Web Services (AWS) aws serverless aws lambda aws serverless computing amazon cloud serverless computing amazon lambda | ||||
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| Ans. If we would like a program to be executed if someone commits code to the repository. | ||||
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| Discuss Correct / Improve aws lambda aws serverless computing amazon cloud serverless computing amazon lambda trigger | ||||
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| Ans. Api Gateway Alexa CloudFront CloudWatch Code Commit Kinesis S3 SNS | ||||
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| Discuss Correct / Improve aws lambda aws serverless computing amazon cloud serverless computing amazon lambda trigger | ||||
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| Ans. Yes EFS volumes but not EBS | ||||
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| Discuss Correct / Improve aws ec2 aws computing amazon cloud computing amazon ec2 | ||||
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| Ans. Yes | ||||
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| Discuss Correct / Improve aws efs volume aws ec2 aws computing amazon cloud computing amazon ec2 | ||||
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| Ans. No | ||||
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| Discuss Correct / Improve aws ebs volume aws ec2 aws computing amazon cloud computing amazon ec2 | ||||
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| Ans. No of requests, computation duration, assigned RAM | ||||
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| Discuss Correct / Improve aws lambda aws serverless computing amazon cloud serverless computing amazon lambda | ||||
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| Ans. Advantages - Much Cheaper Continuous scaling Higher level and Serverless Disadvantages - Warm up time Limited flexibility in terms of technologies Limited control | ||||
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| Discuss Correct / Improve aws lambda aws serverless computing amazon cloud serverless computing amazon lambda aws ec2 aws computing amazon cloud computing amazon ec2 | ||||
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| Ans. EC2 is IAAS Elastic Beanstalk is PAAS EKS is Containerization service Lambda is Serverless | ||||
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| Discuss Correct / Improve IAAS PAAS Containerization Serverless | ||||
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| Ans. Following are key differences between containers and serverless: Supported host environments: Containers can run on any modern Linux server, as well as certain versions of Windows. In contrast, serverless runs on specific host platforms, most of which are based in the public cloud (like AWS Lambda or Azure Functions). Self-servicing ability. For the reasons just noted, in most cases, serverless functions require you to use a public cloud. (There are on-premises serverless frameworks, like Fn, but these are not yet widely used.) With containers, you can set up your own on-premises host environment, or use a public cloud service like ECS. Cost. Because serverless environments are hosted in the cloud, you have to pay to use them. In contrast, you can set up a container environment yourself using open source code for free (although you’ll still have management costs, of course). Supported languages. You can containerize an application written in any type of language as long as the host server supports the language. Serverless frameworks are different; they support a limited number of languages. The details of supported serverless language vary from serverless platform to platform. Statefulness. Most serverless platforms are designed to support stateless workloads. (Some serverless providers offer limited support for stateful services; cf. Durable Functions on Azure.) Although you can connect to external storage services (like S3 on AWS) from within serverless platforms, the functions themselves cannot be stateful. Containers present their own persistent storage challenges, but creating stateful containerized apps is certainly possible. Availability. Serverless functions are designed to run for a short period—usually, a few hundred seconds—before they shut down. Containers can run for as long as you need. | ||||
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| Discuss Correct / Improve Amazon Web Service (AWS) serverless containers production support | ||||
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| Ans. S3 is object based whereas EFS is block based. | ||||
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| Discuss Correct / Improve aws s3 aws storage amazon cloud storage amazon s3 aws efs | ||||
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| Ans. Both EFS and EBS are block storage but EBS is reserved storage whereas EFS is On Demand. | ||||
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| Discuss Correct / Improve aws ebs aws efs | ||||
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| Ans. No but we can create an AMI and then launch a new instance in placement group. | ||||
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| Discuss Correct / Improve aws placement group | ||||
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| Ans. No | ||||
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| Discuss Correct / Improve aws placement group | ||||
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| Ans. No, only the following type are allowed Compute Optimized GPU Memory Optimized Storage Optimized | ||||
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| Discuss Correct / Improve aws placement group | ||||
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| Ans. Clustered and Spread All instances in Clustered group is in same availability zone and whereas instances in spread could be in different az or regions. | ||||
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| Discuss Correct / Improve aws placement group | ||||
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| Ans. yes, you can create auto scaling policy to set max and min no of instance. | ||||
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| Discuss Correct / Improve aws ec2 aws computing amazon cloud computing amazon ec2 aws elb amazon elb | ||||
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| Ans. CloudTrail | ||||
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| Discuss Correct / Improve aws cloudtrail aws iam amazon iam | ||||
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| Ans. CloudWatch is for monitoring resources whereas CloudTrail is for auditing activity. | ||||
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| Discuss Correct / Improve aws cloudwatch amazon cloudwatch aws cloudtrail aws cloudwatch amazon cloudwatch vs aws cloudtrail | ||||
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| Ans. 5 mins for Standard / Basic 1 min for Detailed / advanced | ||||
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| Discuss Correct / Improve aws cloudwatch amazon cloudwatch | ||||
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