- A
Use a service control policy (SCP) to deny s3:PutBucketEncryption if the encryption is not the specified KMS key
SCPs enforce across all accounts in the organization.
- B
Use AWS Trusted Advisor to check bucket encryption
Why wrong: Only provides recommendations, not enforcement.
- C
Create an IAM policy that denies s3:PutObject unless the request includes the specific KMS key, and attach it to all users
Why wrong: Does not cover bucket creation; not centralized.
- D
Use AWS Config rules to detect non-compliant buckets and send alerts
Why wrong: Detection only, not enforcement.
Question 1,186 of 1,746
SAP-C02 Design for New Solutions Practice Question
This SAP-C02 practice question tests your understanding of design for new solutions. 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 company has a multi-account AWS organization. The security team wants to centrally manage and enforce that all S3 buckets are encrypted with a specific KMS key. Which approach should the architect recommend?
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
✓
Use a service control policy (SCP) to deny s3:PutBucketEncryption if the encryption is not the specified KMS key
A service control policy (SCP) can deny the s3:PutBucketEncryption action unless the encryption setting specifies the required KMS key. This centrally enforces the encryption requirement across all accounts in the AWS Organization, preventing any account from creating or modifying a bucket with non-compliant encryption, regardless of IAM permissions within that account.
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.
- ✓
Use a service control policy (SCP) to deny s3:PutBucketEncryption if the encryption is not the specified KMS key
Why this is correct
SCPs enforce across all accounts in the organization.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use AWS Trusted Advisor to check bucket encryption
Why it's wrong here
Only provides recommendations, not enforcement.
- ✗
Create an IAM policy that denies s3:PutObject unless the request includes the specific KMS key, and attach it to all users
Why it's wrong here
Does not cover bucket creation; not centralized.
- ✗
Use AWS Config rules to detect non-compliant buckets and send alerts
Why it's wrong here
Detection only, not enforcement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse detective controls (AWS Config, Trusted Advisor) with preventive controls (SCP), or they mistakenly think IAM policies attached to users can enforce encryption at the bucket level across all accounts and principals.
Detailed technical explanation
How to think about this question
SCPs use AWS Organizations to apply deny effects at the root, OU, or account level, overriding any allow in IAM policies. The condition key aws:SourceArn or s3:x-amz-server-side-encryption-aws-kms-key-id can be used in the SCP to require a specific KMS key ARN. This ensures that even if an account administrator has full IAM permissions, the SCP blocks the action, providing a strong preventive control.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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 for New Solutions — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Design for New Solutions — This question tests Design for New Solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use a service control policy (SCP) to deny s3:PutBucketEncryption if the encryption is not the specified KMS key — A service control policy (SCP) can deny the s3:PutBucketEncryption action unless the encryption setting specifies the required KMS key. This centrally enforces the encryption requirement across all accounts in the AWS Organization, preventing any account from creating or modifying a bucket with non-compliant encryption, regardless of IAM permissions within that account.
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.
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: Jul 4, 2026
This SAP-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 SAP-C02 exam.
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