DEA-C01 Data Security and Governance Practice Question
A company needs to centralize audit logs from multiple AWS accounts into a single S3 bucket. Which service should be used to aggregate these logs?
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 can be configured to deliver logs from multiple accounts to a single S3 bucket using a trail in the management account. Option C is correct.
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 Config
Why it's wrong here
Config records resource configuration, not audit logs.
- ✗
Amazon Kinesis Data Firehose
Why it's wrong here
Firehose can deliver logs to S3 but is not designed for multi-account aggregation natively.
- ✓
AWS CloudTrail
Why this is correct
CloudTrail supports multi-account trail that aggregates logs into a single S3 bucket.
- ✗
Amazon CloudWatch Logs
Why it's wrong here
CloudWatch Logs can be sent to S3 via export, but not for multi-account aggregation easily.
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 |
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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.