SCS-C02 Management and Security Governance Practice Question
A security engineer needs to automatically detect and respond to unauthorized API calls in an AWS account. Which two services should be used together?
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 and Amazon EventBridge
CloudTrail logs API calls, and Amazon EventBridge can trigger automated responses based on those logs. Option A is correct. Option B (GuardDuty + SNS) provides threat detection alerts but not automated response. Option C (Config + Lambda) is for configuration compliance, not API call detection. Option D (Inspector + S3) is for vulnerability assessment, not API monitoring.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
AWS CloudTrail and Amazon EventBridge
Why this is correct
CloudTrail logs API calls, EventBridge triggers automated responses.
- ✗
Amazon GuardDuty and Amazon SNS
Why it's wrong here
GuardDuty detects threats but does not log all API calls.
- ✗
AWS Config and AWS Lambda
Why it's wrong here
Config evaluates resource configurations, not API calls.
- ✗
Amazon Inspector and Amazon S3
Why it's wrong here
Inspector is for vulnerability assessments, not API monitoring.
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.