PAS-C01 Operations and Maintenance Practice Question
An SAP system on AWS is experiencing slow performance. The operations team suspects a memory bottleneck on the SAP HANA database. Which CloudWatch metric should be monitored to confirm memory pressure?
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
✓
SwapUsage (custom metric from HANA)
(SwapUsage). SAP HANA uses swap space extensively when memory is under pressure; high swap usage directly indicates memory bottlenecks. Option A (CPUUtilization) measures processor load, not memory. Option C (DiskReadOps) measures storage I/O operations, which may be a symptom but not a direct memory metric. Option D (NetworkIn) measures network throughput, unrelated to memory.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CPUUtilization
Why it's wrong here
CPU metrics indicate processor load, not memory.
- ✓
SwapUsage (custom metric from HANA)
Why this is correct
High swap usage indicates insufficient physical memory.
- ✗
DiskReadOps
Why it's wrong here
Disk operations relate to storage I/O, not memory.
- ✗
NetworkIn
Why it's wrong here
Network metrics measure data transfer, not memory.
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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