SAP-C02 Design for New Solutions Practice Question
A company is designing a new data lake on Amazon S3. They need to ensure that data is encrypted at rest and that access is audited. Which services should they use? (Choose 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
✓
AWS KMS
AWS KMS provides encryption keys for data at rest in S3, and AWS CloudTrail logs API calls for auditing purposes. Option A (Amazon Macie) is for sensitive data discovery, Option B (Amazon GuardDuty) is for threat detection, and Option D (AWS Config) is for resource configuration tracking.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon Macie
Why it's wrong here
Discovers sensitive data, not encryption.
- ✗
Amazon GuardDuty
Why it's wrong here
Threat detection, not encryption or auditing.
- ✓
AWS KMS
Why this is correct
Manages encryption keys for S3.
- ✗
AWS Config
Why it's wrong here
Tracks configuration changes, not API auditing.
- ✓
AWS CloudTrail
Why this is correct
Logs S3 API calls for auditing.
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 |
Go deeper
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.