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 DevOps team is implementing a CI/CD pipeline for a microservices architecture. Each microservice is built and deployed independently. The team wants to ensure that only one build runs per microservice at a time to avoid resource contention, and that the build artifacts are stored securely. Which THREE steps should the team take?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable versioning on the S3 bucket storing build artifacts
To ensure only one build per microservice at a time, use a concurrency limit in CodePipeline or CodeBuild. CodeBuild supports batch builds and concurrency settings. Secure storage of artifacts can be achieved by encrypting the S3 bucket where artifacts are stored and enabling versioning to retain history. Option A (concurrency limit) is correct. Option C (encrypt artifacts bucket) is correct. Option E (enable versioning on artifacts bucket) is correct. Option B is wrong because separate pipelines are not necessary for concurrency control. Option D is wrong because CodeArtifact is for package management, not build artifacts.
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.
✗
Store build artifacts in AWS CodeArtifact
Why it's wrong here
CodeArtifact is for dependencies, not build outputs
✓
Enable versioning on the S3 bucket storing build artifacts
Why this is correct
Versioning retains all artifact versions for rollback
Related concept
Read the scenario before looking for a memorised answer.
✓
Configure a concurrency limit in the CodeBuild project for each microservice
Why this is correct
Limits concurrent builds to one per project
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a separate CodePipeline for each microservice
Why it's wrong here
Separate pipelines do not control concurrency within a microservice
✓
Enable server-side encryption on the S3 bucket storing build artifacts
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
CodeArtifact is for dependencies, not build outputs
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 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
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: Enable versioning on the S3 bucket storing build artifacts — To ensure only one build per microservice at a time, use a concurrency limit in CodePipeline or CodeBuild. CodeBuild supports batch builds and concurrency settings. Secure storage of artifacts can be achieved by encrypting the S3 bucket where artifacts are stored and enabling versioning to retain history. Option A (concurrency limit) is correct. Option C (encrypt artifacts bucket) is correct. Option E (enable versioning on artifacts bucket) is correct. Option B is wrong because separate pipelines are not necessary for concurrency control. Option D is wrong because CodeArtifact is for package management, not build artifacts.
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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Question Discussion
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