PAS-C01 Design of SAP Workloads on AWS Practice Question
An SAP HANA system on AWS is experiencing slow backup performance when using Backint to Amazon S3. The backup throughput is only 200 MB/s. The environment uses an m5.24xlarge instance with 25 Gbps network. What is the most likely cause and solution?
⚠ Common exam trap
Watch out — candidates often assume network bandwidth or storage I/O is the bottleneck, when in fact the Backint agent's parallel stream count is a common misconfiguration that limits throughput despite ample infrastructure resources.
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 Backint agent is configured with too few parallel streams. Increase the number of streams in the Backint configuration.
The most likely cause is that the Backint agent is configured with too few parallel streams. Backint for SAP HANA on AWS uses multiple concurrent streams to upload backup data to S3; if the stream count is too low, it cannot saturate the available network bandwidth, resulting in throughput far below the instance's 25 Gbps capacity. Increasing the number of parallel streams in the Backint configuration allows the backup to fully utilize the network and achieve higher throughput.
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 network bandwidth is insufficient. Enable S3 Transfer Acceleration.
Why it's wrong here
Network is adequate; acceleration may not help.
- ✗
The EBS volumes are too slow. Use instance store volumes for temporary storage.
Why it's wrong here
Not relevant to Backint throughput.
- ✗
The S3 bucket is not using multipart upload. Enable multipart upload on the bucket.
Why it's wrong here
Backint uses multipart upload automatically.
- ✓
The Backint agent is configured with too few parallel streams. Increase the number of streams in the Backint configuration.
Why this is correct
More streams increase parallelism and throughput.
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
This PAS-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 PAS-C01 exam.