- A
kms:EncryptionContext
Why wrong: This is used in KMS key policies, not S3 bucket policies.
- B
s3:x-amz-server-side-encryption-aws-kms-key-id
This condition key checks the specific KMS key ID used for encryption.
- C
s3:ServerSideEncryption
Why wrong: Invalid condition key; correct key is s3:x-amz-server-side-encryption.
- D
s3:x-amz-server-side-encryption
Why wrong: This key only checks if SSE is enabled, not which key.
Question 852 of 1,733
PAS-C01 Design of SAP Workloads on AWS Practice Question
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. 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.
An SAP administrator is setting up an S3 bucket to store SAP HANA backup files. The backups must be encrypted at rest using an AWS KMS customer managed key. Which bucket policy condition key should be used to enforce that only requests using KMS encryption with that specific key are allowed?
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
✓
s3:x-amz-server-side-encryption-aws-kms-key-id
Option B is correct because the `s3:x-amz-server-side-encryption-aws-kms-key-id` condition key allows you to enforce that only requests using a specific AWS KMS customer managed key for server-side encryption are permitted. This key is evaluated against the `x-amz-server-side-encryption-aws-kms-key-id` header in the request, ensuring that backups are encrypted with the exact KMS key ID specified in the bucket policy.
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.
- ✗
kms:EncryptionContext
Why it's wrong here
This is used in KMS key policies, not S3 bucket policies.
- ✓
s3:x-amz-server-side-encryption-aws-kms-key-id
Why this is correct
This condition key checks the specific KMS key ID used for encryption.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
s3:ServerSideEncryption
Why it's wrong here
Invalid condition key; correct key is s3:x-amz-server-side-encryption.
- ✗
s3:x-amz-server-side-encryption
Why it's wrong here
This key only checks if SSE is enabled, not which key.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the condition key that checks for any KMS encryption (`s3:x-amz-server-side-encryption`) with the one that enforces a specific KMS key ID (`s3:x-amz-server-side-encryption-aws-kms-key-id`), leading them to select option D instead of B.
Detailed technical explanation
How to think about this question
Under the hood, when an S3 PUT request includes the `x-amz-server-side-encryption-aws-kms-key-id` header, S3 passes the KMS key ID to AWS KMS for encryption. The bucket policy condition key `s3:x-amz-server-side-encryption-aws-kms-key-id` is evaluated against this header value, allowing you to restrict uploads to a single KMS key. In real-world SAP HANA backup scenarios, this ensures that all backup files are encrypted with a dedicated key that can be audited and rotated independently, meeting compliance requirements.
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
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: s3:x-amz-server-side-encryption-aws-kms-key-id — Option B is correct because the `s3:x-amz-server-side-encryption-aws-kms-key-id` condition key allows you to enforce that only requests using a specific AWS KMS customer managed key for server-side encryption are permitted. This key is evaluated against the `x-amz-server-side-encryption-aws-kms-key-id` header in the request, ensuring that backups are encrypted with the exact KMS key ID specified in the bucket policy.
What should I do if I get this PAS-C01 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.
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Last reviewed: Jul 4, 2026
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