🚀 AWS Deployment Strategies - DOP-C02 Practice Questions

Study in-place, rolling, blue/green, canary, and linear deployments across EC2, Lambda, ECS, and Elastic Beanstalk. Understand rollback mechanisms and traffic shifting.

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2Exam Domains

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DOP-C02 Deployment Strategies Question Bank (10 Questions)

Browse all 10 practice questions covering AWS Deployment Strategies for the DOP-C02 certification exam. Answers are intentionally hidden on this page so you can self-test first before checking results in quiz mode.

  1. Question 1Resilient Cloud Solutions

    A team uses CodePipeline to deploy changes to multiple regions. They want automatic rollback across all regions if a canary deployment fails within 5 minutes. Which approach implements this automated cross-region rollback?

    AManual approval actions in each regional stage
    BCloudWatch alarms in each region triggering CodePipeline execution API to revert
    CAWS Config rules with auto-remediation per region
    DAmazon EventBridge cross-region routing with Lambda rollback

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  2. Question 2Resilient Cloud Solutions

    An application deploys to Amazon ECS using CodeDeploy blue/green. After a deployment, the team wants automatic rollback if the error rate in CloudWatch metrics exceeds 5% within 10 minutes. Which mechanism enables this automatic rollback?

    ACodeDeploy deployment hooks
    BCloudWatch Alarms as CodeDeploy rollback triggers
    CECS circuit breaker policy
    DCloudWatch Events on deployment failure

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  3. Question 3Resilient Cloud Solutions

    A company wants to implement canary deployments for API Gateway. 10% of traffic should go to the new version while 90% continues on the current. What API Gateway feature enables this?

    ACreate two separate APIs and use Route 53 weighted routing
    BEnable API Gateway canary release deployments on the stage — specify canary traffic percentage; canary deployment uses a separate stage variables override for testing
    CUse ALB weighted target groups
    DAPI Gateway does not support canary deployments

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  4. Question 4Incident and Event Response

    A company wants to automatically roll back a CodeDeploy deployment when post-deployment Lambda tests fail. How should automatic rollback be configured?

    ACreate a separate CodeDeploy deployment for rollback
    BEnable automatic rollback in the CodeDeploy deployment group settings: check 'Roll back when a deployment fails' and optionally 'Roll back when alarm thresholds are met' with the relevant CloudWatch alarms
    CUse CodePipeline to detect failures and redeploy the previous version
    DStore the previous version in S3 and redeploy manually

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  5. Question 5Resilient Cloud Solutions

    A critical application runs on Lambda. They want to ensure function code is tested and that a canary deployment can automatically roll back if errors increase. What deployment configuration achieves this?

    ADeploy to Lambda directly, monitor manually
    BUse CodeDeploy with Lambda CANARY_10PERCENT_5MINUTES; configure pre/post traffic hooks for validation; set CloudWatch alarms on Lambda error rate; CodeDeploy automatically rolls back if the alarm triggers during deployment
    CLambda versions provide automatic canary deployments
    DUse API Gateway canary deployment for Lambda

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  6. Question 6Resilient Cloud Solutions

    A company uses ECS with a rolling update deployment. New tasks fail to start due to a code bug. The failed tasks prevent healthy tasks from being removed. The service becomes unstable. What ECS feature prevents this?

    AECS service auto scaling reverting to the previous task definition
    BEnable ECS deployment circuit breaker with rollback: when a configurable number of tasks fail to reach RUNNING state, the circuit breaker automatically rolls back to the previous stable task definition
    CSet minimum healthy percent to 100% in the deployment config
    DUse CloudWatch alarms to detect deployment failures

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  7. Question 7Incident and Event Response

    A company's production deployment via CodeDeploy succeeded but the application started returning 500 errors after deployment. CloudWatch alarm triggers. What CodeDeploy rollback configuration ensures automatic rollback?

    AManual rollback by redeploying the previous revision
    BEnable 'Roll back when alarm thresholds are met' in CodeDeploy deployment group settings; specify the CloudWatch alarm for 500 errors; CodeDeploy automatically deploys the last known good revision
    CCreate a Lambda function to detect 500 errors and trigger rollback
    DUse CodePipeline to detect failures and redeploy

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  8. Question 8Incident and Event Response

    A company uses CodeDeploy for Lambda deployments with a canary configuration. The canary deployment shifts 10% of traffic. After 5 minutes, the CloudWatch alarm triggers due to increased error rate. What happens?

    ACodeDeploy continues the deployment and shifts 100% traffic
    BCodeDeploy detects the alarm and automatically rolls back: removes the canary Lambda alias weight, directing 100% traffic back to the previous version
    CCodeDeploy waits for the alarm to clear before continuing
    DCodeDeploy pauses and requires manual intervention

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  9. Question 9Incident and Event Response

    A company's incident response requires rolling back a CloudFormation stack to a previous known-good state. The stack has 30 resources. What is the CORRECT CloudFormation rollback approach?

    ADelete the stack and redeploy the previous template
    BUse CloudFormation Continue Update Rollback or re-deploy the previous template version via a new UpdateStack call; CloudFormation tracks previous template versions in the change set history; or use a versioned template from S3
    CCloudFormation does not support rollback to previous versions
    DUse AWS Backup to restore CloudFormation resources

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  10. Question 10Resilient Cloud Solutions

    A company's ECS service has a minimum healthy percent of 100% and maximum percent of 200%. During a rolling deployment, the deployment takes very long. Why?

    AECS rolling deployments are always slow
    BWith 100% minimum healthy, ECS must launch new tasks and wait for them to be healthy before stopping old tasks (double capacity). If capacity is constrained (Fargate limits or EC2 resource exhaustion), task launches are queued, causing slow rollouts
    CThe container image is too large
    DThe health check period is too long

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Key Deployment Strategies Concepts for DOP-C02

deploymentblue greencanaryrollingimmutabletraffic shiftingrollbackin-place

DOP-C02 Deployment Strategies Exam Tips

AWS Deployment Strategies questions in DOP-C02 are typically scenario-based. Focus on CI/CD automation, reliability engineering, and feedback-driven operations. Priority concepts: deployment, blue green, canary, rolling, immutable, traffic shifting.

What DOP-C02 Expects

  • Anchor your answer in choose auditable, automated release and operations patterns with strong rollback readiness.
  • Deployment Strategies scenarios for DOP-C02 are frequently mapped to Domain 1 (22%), Domain 2 (17%), so read the objective carefully before picking controls or architecture.
  • Expect multi-topic scenarios where Deployment Strategies interacts with IAM, networking, storage, or observability patterns rather than appearing as an isolated question.
  • When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Professional) and vendor best practices.

High-Value Deployment Strategies Concepts

  • Know the core Deployment Strategies building blocks cold: deployment, blue green, canary, rolling.
  • Review the edge-case features and limits for immutable, traffic shifting; these details are commonly used to differentiate answer choices.
  • Practice service-integration reasoning: how Deployment Strategies pairs with CI/CD Pipelines, Elastic Beanstalk, Containers in real deployment patterns.
  • For DOP-C02, explain why the chosen Deployment Strategies design meets reliability, security, and cost expectations better than the alternatives.

Common DOP-C02 Traps

  • Watch for manual promotion and approval logic where pipeline automation is expected.
  • Questions in SDLC Automation often include distractors that look correct for Deployment Strategies but violate least-privilege, durability, or availability requirements.
  • Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
  • If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.

Fast Review Checklist

  • Can you compare at least two Deployment Strategies implementation paths and justify which one best fits the scenario?
  • Can you map the chosen answer back to SDLC Automation (22%) outcomes for DOP-C02?
  • Can you explain security and access boundaries for Deployment Strategies without relying on default-open assumptions?
  • Can you describe how Deployment Strategies integrates with CI/CD Pipelines and Elastic Beanstalk during failure, scaling, and monitoring events?

Exam Domains Covering Deployment Strategies

Domain 1SDLC Automation22%Domain 2Configuration Management & IaC17%

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