DevOps Engineering on AWS Certification SDLC Automation and CI/CD Pipelines

Question 1

Which AWS service is used to create fully managed continuous integration and continuous delivery (CI/CD) pipelines?

Accepted Answer

AWS CodePipeline

Answer

AWS CodeBuild

Answer

AWS CodeDeploy

Answer

AWS CodeCommit

Question 2

In AWS CodeDeploy, what deployment configuration gradually shifts traffic from the original to the replacement environment?

Accepted Answer

Blue/green deployment

Answer

In-place deployment

Answer

Rolling deployment

Answer

Canary deployment

Question 3

Which CodeDeploy lifecycle event hook runs BEFORE the application revision is downloaded to the instance?

Accepted Answer

BeforeInstall

Answer

ApplicationStart

Answer

ValidateService

Answer

AfterInstall

Question 4

A team wants CodePipeline to trigger automatically when code is pushed to an S3 bucket. Which service should they use to detect the S3 change?

Accepted Answer

Amazon EventBridge

Answer

AWS CloudTrail

Answer

AWS Config

Answer

Amazon SNS

Question 5

Which AWS CodeBuild environment variable contains the full commit ID of the source version being built?

Accepted Answer

CODEBUILD_RESOLVED_SOURCE_VERSION

Answer

CODEBUILD_SOURCE_REPO_URL

Answer

CODEBUILD_BUILD_ID

Answer

CODEBUILD_SOURCE_VERSION

Question 6

What is the purpose of an approval action in AWS CodePipeline?

Accepted Answer

Pauses the pipeline and waits for manual approval before proceeding

Answer

Automatically approves deployments based on test results

Answer

Sends deployment notifications to SNS

Answer

Validates IAM permissions for the pipeline