PAS-C01 Operations and Maintenance Practice Question
An administrator needs to monitor the CPU utilization of an SAP HANA database running on an EC2 instance. The monitoring data must be stored for 15 months. Which AWS service should be used to meet this requirement?
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
✓
Amazon CloudWatch Metrics
Amazon CloudWatch Metrics is the correct service for monitoring and storing CPU utilization data. It supports custom metrics with retention up to 15 months, meeting the requirement. Amazon S3 is for object storage, not metrics. AWS CloudTrail records API activity, not performance data. Amazon CloudWatch Logs is for log files, not numeric metrics.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon S3
Why it's wrong here
S3 is object storage; you would need to export metrics manually.
- ✗
AWS CloudTrail
Why it's wrong here
CloudTrail records API activity, not system metrics.
- ✗
Amazon CloudWatch Logs
Why it's wrong here
CloudWatch Logs is for log files, not numeric metrics.
- ✓
Amazon CloudWatch Metrics
Why this is correct
CloudWatch metrics can be retained for up to 15 months.
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.