SOA-C02 Monitoring, Logging, and Remediation Practice Question
This SOA-C02 practice question tests your understanding of monitoring, logging, and remediation. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A SysOps administrator notices that an Amazon RDS for MySQL instance's CPU utilization is consistently above 80% during business hours. The administrator wants to identify the queries causing the high load without impacting performance. Which action should be taken?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Enable Performance Insights on the RDS instance.
Performance Insights provides a database-specific performance schema that visualizes database load and identifies the SQL queries responsible for high CPU utilization. It operates with minimal overhead by sampling the database engine's internal performance data, making it ideal for diagnosing query performance issues without impacting the production workload.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 the MySQL slow query log and store it in CloudWatch Logs.
Why it's wrong here
Slow query log only captures queries that exceed a time threshold, not all high-load queries.
✓
Enable Performance Insights on the RDS instance.
Why this is correct
Performance Insights provides a real-time dashboard of database performance and top SQL queries with minimal overhead.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enable Enhanced Monitoring to get OS-level metrics.
Why it's wrong here
Enhanced Monitoring gives CPU and memory metrics but does not identify specific queries.
✗
Increase the retention period for CloudWatch metrics to 15 months.
Why it's wrong here
Longer retention does not help identify the source of high CPU usage.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Enhanced Monitoring (OS-level metrics) with Performance Insights (database-level query analysis), or assume the slow query log is the best tool for identifying all high-CPU queries despite its threshold-based limitation.
Detailed technical explanation
How to think about this question
Performance Insights uses the database engine's internal performance schema (e.g., MySQL's performance_schema) to collect wait events, SQL digest, and host/user dimensions with a default retention of 7 days (free tier) or up to 2 years (paid tier). It aggregates database load into a 'DB Load' metric normalized by vCPU, allowing administrators to pinpoint whether the load is from CPU, I/O, or locks, and drill down to the exact SQL text. In a real-world scenario, a sudden CPU spike from a missing index on a JOIN query would appear as a high 'CPU' wait event in Performance Insights, whereas the slow query log might miss it if the query runs faster than the long_query_time threshold.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Monitoring, Logging, and Remediation — This question tests Monitoring, Logging, and Remediation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable Performance Insights on the RDS instance. — Performance Insights provides a database-specific performance schema that visualizes database load and identifies the SQL queries responsible for high CPU utilization. It operates with minimal overhead by sampling the database engine's internal performance data, making it ideal for diagnosing query performance issues without impacting the production workload.
What should I do if I get this SOA-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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