DEA-C01 Data Store Management Practice Question
Exhibit
Refer to the exhibit.
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"s3:GetObject",
"s3:PutObject"
],
"Resource": "arn:aws:s3:::example-bucket/*",
"Condition": {
"IpAddress": {
"aws:SourceIp": "10.0.0.0/24"
}
}
},
{
"Effect": "Deny",
"Action": "s3:*",
"Resource": "arn:aws:s3:::example-bucket/*",
"Condition": {
"Bool": {
"aws:SecureTransport": "false"
}
}
}
]
}Refer to the exhibit. A data engineer applies this bucket policy to an S3 bucket. A user within the 10.0.0.0/24 IP range attempts to upload an object to the bucket using an HTTP (non-HTTPS) request. What is the outcome?
⚠ Common exam trap
The DEA-C01 exam often tests the precedence of explicit Deny over Allow in IAM policies, and the trap here is that candidates focus on the IP range in the Allow statement and overlook the Deny condition that blocks non-HTTPS requests.
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
✓
The upload fails because the request is not using HTTPS.
The bucket policy includes a condition `aws:SecureTransport` set to `false`, which explicitly denies any request that does not use HTTPS. Since the user is making an HTTP (non-HTTPS) request, the Deny statement overrides any Allow statement, causing the upload to fail. The correct answer is D.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The upload succeeds because the Allow statement grants permission.
Why it's wrong here
Deny overrides Allow.
- ✗
The upload succeeds because the user's IP is allowed.
Why it's wrong here
The Deny statement overrides the Allow.
- ✗
The upload fails because the user's IP is not in the allowed range for PutObject.
Why it's wrong here
The Allow statement does not have the IP condition for PutObject? Actually it does, but Deny prevails.
- ✓
The upload fails because the request is not using HTTPS.
Why this is correct
Explicit Deny for non-HTTPS requests.
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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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