DEA-C01 Data Security and Governance Practice Question
A data engineer needs to audit all changes to IAM policies in an AWS account. Which AWS service should be used?
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
WS CloudTrail because it records API calls made in the account, including changes to IAM policies. AWS Config tracks resource configuration changes, not API calls. AWS Organizations is for multi-account management. Amazon CloudWatch Logs is for log storage and monitoring, not auditing 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.
- ✓
AWS CloudTrail
Why this is correct
CloudTrail records all API activity for auditing.
- ✗
AWS Config
Why it's wrong here
Config tracks configuration changes, not API calls.
- ✗
AWS Organizations
Why it's wrong here
Organizations manages accounts, not auditing.
- ✗
Amazon CloudWatch Logs
Why it's wrong here
CloudWatch Logs stores logs but does not audit API calls by default.
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 DEA-C01 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 DEA-C01 exam.