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 team uses AWS CodeBuild to build Docker images and push them to Amazon ECR. The buildspec.yml includes a post_build step that runs a security scan. The team wants to ensure that only images that pass the security scan are tagged as 'latest'. Which approach should be used?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
In the post_build phase, run the security scan, and if it passes, tag the image with 'latest' and push.
Option A is correct because it tags the image only after successful scan. Option B tags before scan. Option D tags all images, not just passing. Option C uses ECR lifecycle, not relevant.
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.
✗
Build the image with the 'latest' tag first, then run the security scan. If it fails, delete the 'latest' tag.
Why it's wrong here
This is inefficient and leaves a window where 'latest' is vulnerable.
✓
In the post_build phase, run the security scan, and if it passes, tag the image with 'latest' and push.
Why this is correct
This ensures only passing images get the 'latest' tag.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use ECR lifecycle policies to remove images that do not pass the security scan.
Why it's wrong here
Lifecycle policies are based on age/count, not scan results.
✗
Tag the image with 'latest' only after the build phase, regardless of scan results.
Why it's wrong here
This violates the requirement.
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.
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: In the post_build phase, run the security scan, and if it passes, tag the image with 'latest' and push. — Option A is correct because it tags the image only after successful scan. Option B tags before scan. Option D tags all images, not just passing. Option C uses ECR lifecycle, not relevant.
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.
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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
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