DevOps Engineering on AWS

You want to build a pipeline to automate your source control, build, test, and release processes. What is the correct order of services to implement this solution?

• CodeDeploy, CodeCommit, CodeBuild

• CodeBuild, CodeCommit, CodeDeploy

• CodeCommit, CodeBuild, CodeDeploy

• CodeDeploy, CodeBuild, CodeCommit

Answer explanation

Code should be taken from the CodeCommit repository, built with CodeBuild then deployed with CodeDeploy.

Your code is about to be deployed to some EC2 servers, but you would like to implement a manual approval step before the code is deployed. Which AWS service provides this functionality?

• AWS CodeDeploy

• AWS CodePipeline

• AWS CodeBuild

• AWS CodeCommit

  Good work!

Answer explanation

AWS CodePipeline lets you add a 'Manual Approval' stage between your pipeline steps.

True or false: AWS CodeBuild provides build environments for Java, Python, Node.js, Ruby, Go, Android, .NET Core for Linux, and Docker.

• True

• False

What name is given to the by-products of the software development process, such as source code or compiled binaries?

• Artifacts

• Heirloom

• Gems

• Treasures

Answer explanation

Artifacts are the by-products of the SDLC

You would like to implement a deployment strategy which makes use of A/B testing. Which would you choose?

• Canary Deployment

• All-at-once Deployment

• Blue Green Deployment

• Minimum in-service Deployment

Answer explanation

Through the use of Route53's weighted round robin, Canary Deployment can implement the A/B testing methodology of testing your software or website.

Which of these is a benefit of CI/CD?

• Slower fault isolation

• Improve Developer Productivity

• Less deployment features

• Increase code review time

Answer explanation

With an automated CI/CD pipeline your developers will be free of manual tasks and will have less exposure to introducing errors in the development process

Your organization is trying to store its website using git, which will then be deployed to your servers. Which AWS service would be suitable for storing the code?

• AWS CodePipeline

• GitHub

• AWS CodeStore

• AWS CodeCommit

Answer explanation

AWS CodeCommit is AWS's fully managed source control service that hosts Git-based repositories.

Your current deployment strategy isn't working, and you would like to move to a multi-stage roll out, where you can define the number of targets per stage. Which deployment strategy would you use?

• Blue Green Deployment

• Rolling Deployment

• Minimum in-service Deployment

• All-at-once Deployment

Answer explanation

A rolling deployment will deploy your service in multiple stages, allowing the user to define the number of servers to roll out to per stage.

Your manager would like to see a history of the state of your AWS account resources. Which AWS service do you use to collect your information?

• AWS Trusted Advisor

• AWS Config

• AWS CloudWatch Logs

• AWS S3

Answer explanation

AWS Config will give you a snapshot history of the state of your AWS account resources

You would like to just write your application code, with an AWS service taking care of the deployment, provisioning and load balancing of your application. Which do you choose?

• Amazon EC2

• AWS OpsWorks

• Amazon S3

• AWS Elastic Beanstalk

Answer explanation

AWS Elastic Beanstalk lets you write the code, and it takes care of the rest