DEA-C01 Data Security and Governance Practice Question
A data engineer is configuring S3 bucket policies to restrict access to a specific VPC. Which condition key should be used in the bucket policy to enforce that requests originate only from the desired VPC?
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:SourceVpc
Aws:SourceVpc is the condition key used in S3 bucket policies to restrict access to requests originating from a specific VPC. Option A is incorrect because aws:VpcSourceIp is not a valid AWS condition key. Option C is incorrect because aws:RequestedRegion is used to restrict based on the region, not VPC. Option D is incorrect because aws:SourceIp restricts based on IP addresses, not VPC.
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:VpcSourceIp
Why it's wrong here
aws:VpcSourceIp is not a valid condition key.
- ✓
aws:SourceVpc
Why this is correct
aws:SourceVpc restricts requests to a specific VPC.
- ✗
aws:RequestedRegion
Why it's wrong here
aws:RequestedRegion restricts by AWS region.
- ✗
aws:SourceIp
Why it's wrong here
aws:SourceIp restricts by IP address, not VPC.
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.