Question 178 of 835
easyMultiple ChoiceObjective-mapped
MLA-C01 Practice Question: Refer to the exhibit
Network Topology
Refer to the exhibit. A team has configured data capture for a SageMaker endpoint. The endpoint is returning predictions but no captured data appears in the S3 bucket. What is the most likely cause?
⚠ Common exam trap
The trap here is that candidates often focus on sampling percentages or traffic volume, but the core issue is almost always an IAM permissions misconfiguration when predictions succeed but data capture fails silently.
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 for the endpoint does not have s3:PutObject permission.
The most likely cause is that the IAM role associated with the SageMaker endpoint lacks the `s3:PutObject` permission. Without this permission, the endpoint can generate capture data internally but cannot write it to the specified S3 bucket, resulting in no captured data appearing even though predictions are returned successfully.
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 InitialSamplingPercentage is too low.
Why it's wrong here
50% sampling should produce some data unless no requests are captured.
- ✓
The IAM role for the endpoint does not have s3:PutObject permission.
Why this is correct
Without write permission, captured data cannot be written to S3.
- ✗
The capture status is 'Configured' but not 'Running'.
Why it's wrong here
The status shows 'Running', so it is active.
- ✗
The endpoint is not receiving any traffic.
Why it's wrong here
The endpoint is returning predictions, so it is receiving traffic.
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 |
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Last reviewed: Jul 4, 2026
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