The correct answer is to increase the build timeout in the CodeBuild project settings, as the default 60-minute limit is being exceeded. CodeBuild enforces a maximum build duration to prevent runaway processes, and when a build runs longer than this threshold—whether due to large codebases, slow dependencies, or extensive test suites—it terminates with a timeout error. On the AWS Certified DevOps Engineer Professional DOP-C02 exam, this scenario tests your understanding of CodeBuild’s configuration limits and the need to adjust them proactively for long-running builds. A common trap is assuming the issue lies with resource constraints or network latency, but the direct fix is modifying the `timeoutInMinutes` parameter in the build project or buildspec. Remember the memory tip: “60 is the default, but your build may need more—just bump the timeout before you debug the floor.”
DOP-C02 SDLC Automation Practice Question
This DOP-C02 practice question tests your understanding of sdlc automation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 uses AWS CodeBuild to compile code and run unit tests. The team notices that builds are failing with a timeout error after 60 minutes. What is the most likely cause and solution?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The build timeout limit is exceeded; increase the timeout in CodeBuild project settings.
CodeBuild has a default build timeout of 60 minutes. Increasing the timeout in the build project configuration resolves the issue.
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.
✗
The buildspec has syntax errors; validate the YAML.
Why it's wrong here
Syntax errors would cause immediate failure, not timeout.
✗
The build environment is too small; increase compute type.
Why it's wrong here
The error is a timeout, not resource exhaustion.
✗
The source code repository is too large; use shallow clone.
Why it's wrong here
Large repos may slow down, but timeout error points to build duration limit.
✓
The build timeout limit is exceeded; increase the timeout in CodeBuild project settings.
Why this is correct
The default timeout is 60 minutes; extending it allows longer builds.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
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.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
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: The build timeout limit is exceeded; increase the timeout in CodeBuild project settings. — CodeBuild has a default build timeout of 60 minutes. Increasing the timeout in the build project configuration resolves the issue.
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.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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