- A
The S3 bucket has a lifecycle policy that deletes logs after a short period.
Why wrong: Lifecycle policies do not affect access permissions.
- B
The S3 bucket has a bucket policy that requires the analyst to assume a role in the logging account.
Why wrong: The analyst already has read-only access; assuming a role may not be necessary.
- C
The S3 bucket policy includes a condition that only allows access from the logging account's AWS service principals, not from individual IAM users.
The bucket policy likely restricts access to the logging account's role, so the analyst's direct access is denied.
- D
The S3 bucket is encrypted with an AWS KMS key, and the analyst does not have permissions to decrypt.
Why wrong: The question does not mention encryption; this is not the most likely cause.
SAP-C02 Practice Question: Design Solutions for Organizational Complexity
This SAP-C02 practice question tests your understanding of design solutions for organizational complexity. 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 company has a centralized logging account that receives VPC Flow Logs from all accounts in the organization. The logs are stored in an S3 bucket. A security analyst needs to query the logs to identify traffic to a specific IP address. The analyst has been granted read-only access to the S3 bucket. However, the analyst cannot access the logs. What is the MOST likely cause?
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 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
The S3 bucket policy includes a condition that only allows access from the logging account's AWS service principals, not from individual IAM users.
Option C is correct because the S3 bucket policy likely includes a condition that restricts access to only AWS service principals (e.g., the logging account's own services) rather than individual IAM users or roles from other accounts. Even with read-only access granted to the analyst's IAM user or role, the bucket policy's explicit deny for non-service principals overrides any allow, preventing the analyst from accessing the logs. This is a common cross-account access issue where bucket policies must explicitly allow principals from other accounts.
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 S3 bucket has a lifecycle policy that deletes logs after a short period.
Why it's wrong here
Lifecycle policies do not affect access permissions.
- ✗
The S3 bucket has a bucket policy that requires the analyst to assume a role in the logging account.
Why it's wrong here
The analyst already has read-only access; assuming a role may not be necessary.
- ✓
The S3 bucket policy includes a condition that only allows access from the logging account's AWS service principals, not from individual IAM users.
Why this is correct
The bucket policy likely restricts access to the logging account's role, so the analyst's direct access is denied.
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.
- ✗
The S3 bucket is encrypted with an AWS KMS key, and the analyst does not have permissions to decrypt.
Why it's wrong here
The question does not mention encryption; this is not the most likely cause.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often overlook bucket policy conditions that restrict principal types, assuming that granting read-only access to the S3 bucket via IAM is sufficient, when in fact the bucket policy itself may explicitly deny access to non-service principals.
Detailed technical explanation
How to think about this question
S3 bucket policies can use the `aws:PrincipalType` condition key to restrict access to specific principal types, such as `AWSService` (service principals) versus `User` or `AssumedRole`. In centralized logging setups, administrators often lock down the bucket to only allow the logging account's own services (e.g., AWS Config, VPC Flow Logs delivery) to write logs, inadvertently blocking cross-account read access for IAM users. This is a subtle but common misconfiguration that requires explicitly adding an allow statement for the analyst's IAM role ARN or using a resource-based policy that grants access to the analyst's account.
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.
TExam Day Tips
- 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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Design Solutions for Organizational Complexity — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design Solutions for Organizational Complexity — This question tests Design Solutions for Organizational Complexity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The S3 bucket policy includes a condition that only allows access from the logging account's AWS service principals, not from individual IAM users. — Option C is correct because the S3 bucket policy likely includes a condition that restricts access to only AWS service principals (e.g., the logging account's own services) rather than individual IAM users or roles from other accounts. Even with read-only access granted to the analyst's IAM user or role, the bucket policy's explicit deny for non-service principals overrides any allow, preventing the analyst from accessing the logs. This is a common cross-account access issue where bucket policies must explicitly allow principals from other accounts.
What should I do if I get this SAP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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Last reviewed: Jun 11, 2026
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