Question 888 of 1,663
DBS-C01 Monitoring and Troubleshooting Practice Question
A company is running an Amazon RDS for MySQL database. The application team reports that the database is slow. Upon investigation, you notice that the DB instance's CPU utilization is consistently above 90%. Which initial troubleshooting step should you take?
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
✓
Enable Enhanced Monitoring to identify the source of high CPU usage.
Enabling Enhanced Monitoring provides OS-level metrics that can help identify resource bottlenecks. Option A is wrong because increasing instance size without diagnosis may not address the root cause. Option C is wrong because switching storage type does not reduce CPU load. Option D is wrong because deleting slow query logs removes diagnostic data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the DB instance size to improve performance.
Why it's wrong here
Scaling without analysis may not solve the issue.
- ✓
Enable Enhanced Monitoring to identify the source of high CPU usage.
Why this is correct
Enhanced Monitoring provides OS-level metrics to diagnose CPU bottlenecks.
- ✗
Delete the slow query logs to reduce I/O.
Why it's wrong here
Deleting logs does not affect CPU utilization.
- ✗
Change the storage type from General Purpose (gp2) to Provisioned IOPS (io1).
Why it's wrong here
Storage type change does not reduce CPU usage.
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Last reviewed: Jun 20, 2026
This DBS-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 DBS-C01 exam.
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