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 has a CI/CD pipeline that builds a Docker image and pushes it to Amazon ECR. The build step uses AWS CodeBuild. The engineer wants to ensure that the ECR repository has a lifecycle policy to expire untagged images after 14 days. Which TWO actions are required? (Choose 2.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an ECR lifecycle policy for the repository.
Options A and D are correct. A lifecycle policy must be applied to the ECR repository (A) and the policy must specify the rule for untagged images (D). Option B is wrong because the buildspec is not where lifecycle policies are defined. Option C is wrong because the lifecycle policy is defined on the repository, not in the pipeline. Option E is wrong because the lifecycle policy is not applied during the build.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Use the docker tag command to tag images with a timestamp.
Why it's wrong here
Tagging does not implement lifecycle policies.
✓
Create an ECR lifecycle policy for the repository.
Why this is correct
Lifecycle policies are applied to the repository.
Related concept
Read the scenario before looking for a memorised answer.
✗
Add a lifecycle policy rule in the buildspec.yml file.
Why it's wrong here
buildspec.yml is for build commands, not lifecycle policies.
✗
Configure the lifecycle policy in the CodeBuild project settings.
Why it's wrong here
CodeBuild does not manage ECR lifecycle policies.
✓
Define a rule that expires untagged images after 14 days.
Why this is correct
The policy must include a rule to expire untagged images.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
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.
Trap categories for this question
Command / output trap
buildspec.yml is for build commands, not lifecycle policies.
Detailed technical explanation
How to think about this question
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.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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.
SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create an ECR lifecycle policy for the repository. — Options A and D are correct. A lifecycle policy must be applied to the ECR repository (A) and the policy must specify the rule for untagged images (D). Option B is wrong because the buildspec is not where lifecycle policies are defined. Option C is wrong because the lifecycle policy is defined on the repository, not in the pipeline. Option E is wrong because the lifecycle policy is not applied during the build.
What should I do if I get this DOP-C02 question wrong?
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.