Question 893 of 1,663
DBS-C01 Monitoring and Troubleshooting Practice Question
A developer reports that an Amazon RDS for MySQL DB instance is experiencing high CPU utilization. You suspect a specific query is causing the issue. Which CloudWatch metric should you examine to confirm this?
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
✓
CPUUtilization
The CPUUtilization metric directly measures the percentage of CPU usage on the DB instance. While it does not isolate a specific query, it confirms that high CPU utilization is occurring. DatabaseConnections, ReadLatency, and FreeableMemory are not direct indicators of CPU usage.
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 this is correct
CPUUtilization directly measures CPU usage.
- ✗
DatabaseConnections
Why it's wrong here
DatabaseConnections shows the number of connections, not CPU usage.
- ✗
ReadLatency
Why it's wrong here
ReadLatency measures read latency, not CPU.
- ✗
FreeableMemory
Why it's wrong here
FreeableMemory shows available memory, not CPU.
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Last reviewed: Jun 20, 2026
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