DBS-C01 Management and Operations Practice Question
A company is using Amazon Aurora MySQL-Compatible Edition. The database is experiencing performance degradation due to long-running queries. The DBA needs to identify the queries that are consuming the most resources. Which action should be taken?
⚠ Common exam trap
A common mix-up: candidates confuse Enhanced Monitoring (OS-level metrics) with Performance Insights (database-level query performance), leading them to choose Option A because they think OS process list will show query details, but it only shows processes, not SQL text or resource consumption per query.
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
✓
Use Amazon RDS Performance Insights to identify the top SQL queries.
Amazon RDS Performance Insights is the correct tool for this scenario because it provides a built-in, easy-to-use dashboard that visualizes database load and identifies the top SQL queries consuming the most resources, such as CPU, I/O, and wait events. Unlike other options, Performance Insights directly correlates database performance metrics with specific queries, enabling the DBA to quickly pinpoint long-running or resource-intensive queries without additional setup or third-party tools.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable Enhanced Monitoring and review the OS process list.
Why it's wrong here
Enhanced Monitoring shows OS-level metrics, not database query details.
- ✗
Enable the slow query log and use a third-party tool to analyze it.
Why it's wrong here
This is possible but not as direct as Performance Insights.
- ✓
Use Amazon RDS Performance Insights to identify the top SQL queries.
Why this is correct
Performance Insights helps identify queries that are consuming the most resources.
- ✗
Enable CloudWatch Logs for the DB instance and search for errors.
Why it's wrong here
CloudWatch Logs records logs but does not analyze query performance.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.