AWS DevOps CI/CD Pipelines 2

Question 1

A team wants to ensure that AWS CodePipeline only proceeds to the production deployment stage after a manual approval. Which action type should they add between the staging and production stages?

Accepted Answer

Manual action in the Approval category

Answer

CodePipeline supports a Manual Approval action type in the Approval category that pauses pipeline execution until a designated reviewer approves or rejects.

Question 2

Which AWS service allows you to define build specifications for AWS CodeBuild using a YAML file stored in the source repository?

Accepted Answer

buildspec.yml

Answer

CodeBuild uses a buildspec.yml file in the root of the source repository to define build commands, environment variables, and artifact settings.

Question 3

In AWS CodeDeploy, what is the purpose of the AppSpec file's 'hooks' section?

Accepted Answer

To specify lifecycle event scripts that run at defined points during deployment

Answer

The hooks section in the AppSpec file specifies scripts to run at specific lifecycle events such as BeforeInstall, AfterInstall, ApplicationStart, and ValidateService.

Question 4

A company's CodePipeline execution fails at the Build stage. The pipeline should automatically retry the build after a transient failure. Which approach best achieves this?

Accepted Answer

Use an Amazon EventBridge rule to detect failure events and trigger a pipeline re-execution

Answer

An EventBridge rule can detect CodePipeline stage failure events and trigger an automatic re-execution via the StartPipelineExecution API.

Question 5

Which CodeBuild environment variable contains the URL of the source repository that triggered the build?

Accepted Answer

CODEBUILD_SOURCE_REPO_URL

Answer

CODEBUILD_SOURCE_REPO_URL is the predefined CodeBuild environment variable that holds the URL of the source repository used for the build.

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AWS DevOps CI/CD Pipelines 2