SCS-C02 Identity and Access Management Practice Question
A company requires that all access to its S3 buckets be logged for compliance. Which AWS service should be used to record API calls to S3?
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 CloudTrail
AWS CloudTrail records API calls for auditing purposes, making it the correct service for logging access to S3 buckets. Option A is incorrect because Amazon GuardDuty is a threat detection service, not a logging service. Option B is incorrect because Amazon Inspector assesses vulnerabilities. Option C is incorrect because AWS Config tracks resource configuration changes, not API calls.
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 GuardDuty
Why it's wrong here
Amazon GuardDuty is a threat detection service, not a logging service.
- ✗
Amazon Inspector
Why it's wrong here
Amazon Inspector assesses vulnerabilities, not API calls.
- ✗
AWS Config
Why it's wrong here
AWS Config tracks resource configuration changes, not API calls.
- ✓
AWS CloudTrail
Why this is correct
AWS CloudTrail records API calls for auditing purposes.
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 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.