- A
Enable CloudWatch Logs for the Lambda function to capture logs.
CloudWatch Logs captures Lambda execution logs, including timeout errors.
- B
Store Lambda logs in an Amazon S3 bucket for analysis.
Why wrong: S3 is storage, not a monitoring or logging service for Lambda execution.
- C
Create a CloudWatch metric filter to monitor the Duration metric and set an alarm.
A metric filter on Duration can trigger an alarm when the function approaches the timeout limit.
- D
Use AWS X-Ray to trace the function and view duration in the X-Ray console.
Why wrong: X-Ray traces but does not directly log errors or integrate with CloudWatch alarms for Duration.
- E
Enable AWS CloudTrail to log all Lambda function invocations.
Why wrong: CloudTrail logs API calls, not function execution details like duration or timeouts.
DOP-C02 Monitoring and Logging Practice Question
This DOP-C02 practice question tests your understanding of monitoring and logging. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 engineer notices that a critical Lambda function occasionally times out. The engineer wants to monitor the function's duration and log the timeout errors for analysis. Which TWO steps should the engineer take to achieve this? (Select TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable CloudWatch Logs for the Lambda function to capture logs.
Option A is correct because CloudWatch Logs can capture Lambda function logs including error messages. Option B is correct because CloudWatch metrics can track the Duration metric. Option C is wrong because X-Ray traces requests but does not directly log errors or track duration in CloudWatch. Option D is wrong because CloudTrail logs API calls, not function execution. Option E is wrong because S3 is not a monitoring service.
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.
- ✓
Enable CloudWatch Logs for the Lambda function to capture logs.
Why this is correct
CloudWatch Logs captures Lambda execution logs, including timeout errors.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Store Lambda logs in an Amazon S3 bucket for analysis.
Why it's wrong here
S3 is storage, not a monitoring or logging service for Lambda execution.
- ✓
Create a CloudWatch metric filter to monitor the Duration metric and set an alarm.
Why this is correct
A metric filter on Duration can trigger an alarm when the function approaches the timeout limit.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS X-Ray to trace the function and view duration in the X-Ray console.
Why it's wrong here
X-Ray traces but does not directly log errors or integrate with CloudWatch alarms for Duration.
- ✗
Enable AWS CloudTrail to log all Lambda function invocations.
Why it's wrong here
CloudTrail logs API calls, not function execution details like duration or timeouts.
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 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.
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Monitoring and Logging — study guide chapter
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
Monitoring and Logging — This question tests Monitoring and Logging — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable CloudWatch Logs for the Lambda function to capture logs. — Option A is correct because CloudWatch Logs can capture Lambda function logs including error messages. Option B is correct because CloudWatch metrics can track the Duration metric. Option C is wrong because X-Ray traces requests but does not directly log errors or track duration in CloudWatch. Option D is wrong because CloudTrail logs API calls, not function execution. Option E is wrong because S3 is not a monitoring service.
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
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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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