DEA-C01 Data Security and Governance Practice Question
A data engineer needs to audit all access to an S3 bucket containing sensitive data. The engineer must capture who accessed the bucket, from which IP address, and what actions were performed. Which AWS services should be used together to meet this requirement? (Choose THREE.)
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
✓
Amazon CloudWatch Logs
Amazon CloudWatch Logs (A) can ingest and analyze log data from various sources. Amazon S3 server access logs (C) provide detailed records of requests made to the S3 bucket, including the requester, IP address, and actions. AWS CloudTrail (D) records API calls with identity and source IP, enabling auditing of who accessed the bucket. AWS Config (B) tracks resource configuration changes, not access logs. VPC Flow Logs (E) capture network traffic, not S3 API details.
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 CloudWatch Logs
Why this is correct
Amazon CloudWatch Logs can ingest and analyze log data from various sources.
- ✗
AWS Config
Why it's wrong here
AWS Config tracks resource configuration changes, not access logs.
- ✓
Amazon S3 server access logs
Why this is correct
Amazon S3 server access logs provide detailed records of requests made to the S3 bucket, including the requester, IP address, and actions.
- ✓
AWS CloudTrail
Why this is correct
AWS CloudTrail records API calls with identity and source IP, enabling auditing of who accessed the bucket.
- ✗
VPC Flow Logs
Why it's wrong here
VPC Flow Logs capture network traffic, not S3 API details.
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.