Question 185 of 977
CV0-004 Troubleshooting Practice Question
During a cloud migration, a database server is moved from on-premises to a cloud-managed database service. After migration, the application team reports that some queries are running slower than before. The database CPU utilization is low. What is the most likely cause?
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 network latency between the application and the database has increased
Increased network latency between the application and the cloud database can slow query response times without raising CPU utilization. Option B is wrong: improper indexing forces full table scans, which typically increase CPU usage. Option C is wrong: misconfigured connection pooling usually leads to connection errors or timeouts, not consistently slow queries with low CPU. Option D is wrong: insufficient memory causes swapping and high disk I/O, which would increase 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.
- ✓
The network latency between the application and the database has increased
Why this is correct
Higher latency increases query response time without affecting CPU.
- ✗
The database is not indexed properly
Why it's wrong here
Poor indexing increases CPU usage, which is low.
- ✗
The database connection pooling is misconfigured
Why it's wrong here
Connection pooling issues lead to connection failures, not slow individual queries.
- ✗
The cloud database instance type has insufficient memory
Why it's wrong here
Insufficient memory would cause high CPU due to swapping.
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Last reviewed: Jun 24, 2026
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