hardMultiple ChoiceObjective-mapped
CCSP Practice Question: Refer to the exhibit
Exhibit
Refer to the exhibit. Error log from cloud storage sync tool: [ERROR] Failed to sync file 'financial_report.xlsx'. Cause: AccessDenied (403) - User: arn:aws:iam::123456789012:role/data-sync-role is not authorized to perform: s3:GetObject on resource: arn:aws:s3:::data-bucket-2024/financial_report.xlsx because no identity-based policy allows the s3:GetObject action
Refer to the exhibit. A data sync job fails with the error shown. The IAM role 'data-sync-role' has the following policy attached:
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": ["s3:GetObject"
],
"Resource": "arn:aws:s3:*:*:data-bucket-2024/*"
}
]
}What is the MOST likely cause of the failure?
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 resource ARN in the policy is incorrectly formatted, causing the action to not be applied.
The resource ARN in the policy uses an invalid format: 'arn:aws:s3:*:*:data-bucket-2024/*'. S3 bucket object ARNs should be 'arn:aws:s3:::bucket-name/*'. The extra wildcards in the partition and account sections make the ARN malformed, so the policy does not actually grant any permissions. Without valid permissions, the sync job fails with an access denied error. Options B, C, and D are incorrect because the error is specifically due to the malformed ARN, not role attachment, bucket existence, or an explicit deny.
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 resource ARN in the policy is incorrectly formatted, causing the action to not be applied.
Why this is correct
The ARN uses wildcards in the wrong positions; S3 object ARNs require bucket name and key without account or region.
- ✗
The role 'data-sync-role' is not attached to the sync job.
Why it's wrong here
The error shows the role is being used, so it is attached.
- ✗
The bucket 'data-bucket-2024' does not exist.
Why it's wrong here
The error indicates access denied, not bucket not found.
- ✗
There is an explicit Deny policy blocking the action.
Why it's wrong here
The error says 'no identity-based policy allows', meaning no allow statement grants the action.
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 CCSP practice question is part of Courseiva's free ISC2 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 CCSP exam.