DEA-C01 Data Security and Governance Practice Question
Exhibit
Refer to the exhibit.
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"AWS": "arn:aws:iam::123456789012:role/DataEngineerRole"
},
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::my-bucket/*",
"Condition": {
"Bool": {
"aws:SecureTransport": "true"
}
}
}
]
}Refer to the exhibit. An S3 bucket policy allows the DataEngineerRole to get objects only if the request uses HTTPS. However, requests from this role are being denied even when using HTTPS. What is the MOST likely reason?
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 IAM role's attached policy does not allow s3:GetObject on the bucket.
Even though the bucket policy condition requires HTTPS, the IAM role must also have an IAM policy that explicitly allows s3:GetObject on the bucket. Without this, the request is denied regardless of the bucket policy. Option A is incorrect because SSE-S3 does not require explicit IAM permissions; it is a server-side encryption option that works by default. Option B is incorrect because aws:SecureTransport is spelled correctly; misspelling would cause the condition to not apply, potentially allowing HTTP, but the issue is requests being denied. Option C is incorrect because the bucket policy uses a condition to require HTTPS, which effectively denies HTTP requests even without a separate Deny statement.
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 IAM role does not have permission to use SSE-S3.
Why it's wrong here
SSE-S3 does not require permission.
- ✗
The condition key aws:SecureTransport is misspelled.
Why it's wrong here
The condition key is correctly spelled.
- ✗
The bucket policy does not include a Deny statement for HTTP requests.
Why it's wrong here
An explicit deny is not required; the bucket policy only allows HTTPS, so HTTP is implicitly denied.
- ✓
The IAM role's attached policy does not allow s3:GetObject on the bucket.
Why this is correct
The bucket policy allows the role, but the role itself must also have an IAM policy that allows s3:GetObject.
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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