About This Flashcard Deck
This flashcard deck contains 10 cards covering key CI/CD Pipelines concepts for the DOP-C02 exam. Test your knowledge of CodePipeline, CodeBuild, CodeDeploy, deployment strategies, and release automation. Use active recall by attempting to answer each question before revealing the answer. Research shows that flashcard-based active recall is one of the most effective study techniques for certification exams.
Question
What are the CodeDeploy deployment types for EC2?
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Answer
In-place (stop app, update, restart) and Blue/Green (new instances, traffic shift, terminate old). Blue/green requires an ELB.
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All CI/CD Pipelines Flashcards
Q: What are the CodeDeploy deployment types for EC2?
A: In-place (stop app, update, restart) and Blue/Green (new instances, traffic shift, terminate old). Blue/green requires an ELB.
Q: How does CodePipeline handle cross-account deployments?
A: The pipeline assumes an IAM role in the target account. Artifacts are encrypted with a CMK shared across accounts via key policy grants.
Q: What is a CodeDeploy deployment group?
A: A set of target instances/tasks identified by tags, ASG, or ECS service. Each group has its own deployment configuration and alarm settings.
Q: What are CodeDeploy lifecycle hooks for EC2?
A: ApplicationStop → BeforeInstall → AfterInstall → ApplicationStart → ValidateService. BeforeBlockTraffic and AfterBlockTraffic for ELB.
Q: How do you implement manual approval in CodePipeline?
A: Add a Manual Approval action in a stage. Optionally send SNS notification. Pipeline pauses until approved/rejected or times out (7 days max).
Q: What is CodeBuild batch build?
A: Run multiple build jobs in parallel from a single buildspec. Useful for testing across multiple runtimes or running unit/integration tests simultaneously.
Q: What is CodeDeploy canary deployment for Lambda?
A: Shifts a percentage of traffic (e.g., 10%) to new version, waits, then shifts remaining 100%. Rolls back if alarms trigger during the wait period.
Q: How do you trigger a pipeline from a Git push?
A: EventBridge rule detects CodeCommit/GitHub push events and starts the pipeline. Preferred over polling for lower latency and cost.
Q: What happens when a CodeDeploy deployment fails?
A: If auto-rollback is enabled, CodeDeploy redeploys the last known good revision. For blue/green, it reroutes traffic back to the original instances.
Q: What is a CodePipeline artifact?
A: A ZIP file stored in the pipeline S3 bucket containing source code, build output, or deployment packages passed between stages.