This DOP-C02 practice question tests your understanding of sdlc automation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is migrating to a microservices architecture on Amazon ECS with AWS Fargate. They want to automate the deployment process using AWS CodePipeline. The pipeline should build a Docker image, push it to Amazon ECR, and deploy the updated service to ECS. Which THREE components are required in the pipeline? (Choose 3.)
Deploy stage with AWS CodeDeploy to ECS.
Deploy stage updates the ECS service.
Build stage with AWS CodeBuild to build the Docker image and push to ECR.
Build stage creates the image.
Manual approval stage.
Why wrong: Manual approval is not required for automation.
Source stage with AWS CodeCommit or Amazon S3 as source.
Source stage fetches the source code.
Test stage with AWS CodeBuild to run unit tests.
Why wrong: Test stage is optional.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Deploy stage with AWS CodeDeploy to ECS.
Options A, C, and E are correct. Source stage (A) with CodeCommit or S3, build stage (C) with CodeBuild to build and push the image, and deploy stage (E) with CodeDeploy (or ECS) to deploy. Option B is wrong because a manual approval is optional. Option D is wrong because a test stage is optional.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Deploy stage with AWS CodeDeploy to ECS.
Why this is correct
Deploy stage updates the ECS service.
Related concept
Read the scenario before looking for a memorised answer.
Build stage with AWS CodeBuild to build the Docker image and push to ECR.
Why this is correct
Build stage creates the image.
Related concept
Read the scenario before looking for a memorised answer.
Manual approval stage.
Why it's wrong here
Manual approval is not required for automation.
Source stage with AWS CodeCommit or Amazon S3 as source.
Why this is correct
Source stage fetches the source code.
Related concept
Read the scenario before looking for a memorised answer.
Test stage with AWS CodeBuild to run unit tests.
Why it's wrong here
Test stage is optional.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..
The correct answer is: Deploy stage with AWS CodeDeploy to ECS. — Options A, C, and E are correct. Source stage (A) with CodeCommit or S3, build stage (C) with CodeBuild to build and push the image, and deploy stage (E) with CodeDeploy (or ECS) to deploy. Option B is wrong because a manual approval is optional. Option D is wrong because a test stage is optional.
Identify which DOP-C02 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This DOP-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DOP-C02 exam.
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