Quick Answer
The answer is to review the CloudTrail configuration for error messages in the Management Console and verify that the S3 bucket actually exists. These two steps directly address the most common root causes when troubleshooting CloudTrail log delivery to S3: a misconfigured trail or a missing destination bucket. Even if the bucket policy appears correct, CloudTrail may fail silently if the trail is pointing to a non-existent bucket or if a configuration error, such as an incorrect prefix or a disabled log file validation, is present. On the AWS Certified Security Specialty SCS-C02 exam, this question tests your ability to distinguish between policy-level issues and configuration-level failures, a common trap being that candidates overcomplicate the fix by jumping to IAM roles or CloudWatch Logs. Remember, CloudTrail uses resource-based policies on the S3 bucket, not IAM roles, for delivery. A useful memory tip is "Check the trail, then the pail" — meaning first inspect the CloudTrail console for errors, then confirm the bucket exists.
This SCS-C02 practice question tests your understanding of security logging and monitoring. 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 security engineer is troubleshooting an issue where CloudTrail is not delivering logs to an S3 bucket. The bucket policy appears correct. Which TWO additional steps should the engineer take to diagnose the issue? (Choose TWO.)
Verify that the S3 bucket exists and is in the correct region.
Basic check.
Check CloudWatch Logs for CloudTrail errors.
Why wrong: Not applicable.
Create an IAM role for CloudTrail with S3 write permissions.
Why wrong: Not needed.
Enable S3 server access logging on the bucket.
Why wrong: Not for CloudTrail delivery.
Review the CloudTrail configuration in the AWS Management Console for error messages.
Shows delivery errors.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Verify that the S3 bucket exists and is in the correct region.
Options A and D are correct. Verifying that the bucket exists and checking the CloudTrail error messages in the CloudTrail console are standard troubleshooting steps. Option B is wrong because CloudWatch Logs is not required for S3 delivery. Option C is wrong because S3 server access logs are separate. Option E is wrong because CloudTrail does not use IAM roles for S3 delivery.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Verify that the S3 bucket exists and is in the correct region.
Why this is correct
Basic check.
Related concept
Read the scenario before looking for a memorised answer.
Check CloudWatch Logs for CloudTrail errors.
Why it's wrong here
Not applicable.
Create an IAM role for CloudTrail with S3 write permissions.
Why it's wrong here
Not needed.
Enable S3 server access logging on the bucket.
Why it's wrong here
Not for CloudTrail delivery.
Review the CloudTrail configuration in the AWS Management Console for error messages.
Why this is correct
Shows delivery errors.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which SCS-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.
Security Logging and Monitoring — study guide chapter
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FAQ
Security Logging and Monitoring — This question tests Security Logging and Monitoring — Read the scenario before looking for a memorised answer..
The correct answer is: Verify that the S3 bucket exists and is in the correct region. — Options A and D are correct. Verifying that the bucket exists and checking the CloudTrail error messages in the CloudTrail console are standard troubleshooting steps. Option B is wrong because CloudWatch Logs is not required for S3 delivery. Option C is wrong because S3 server access logs are separate. Option E is wrong because CloudTrail does not use IAM roles for S3 delivery.
Identify which SCS-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.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This SCS-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 SCS-C02 exam.
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