- A
Intelligent Insights report
Why wrong: Intelligent Insights provides high-level summaries, not detailed query analysis.
- B
Automatic Tuning recommendations
Why wrong: Automatic Tuning applies fixes but does not provide root cause analysis.
- C
Azure Monitor metrics for the database
Why wrong: Metrics show overall resource usage, not specific query details.
- D
Query Store to review query execution plans and wait statistics
Query Store provides detailed query performance data for root cause analysis.
Question 378 of 963
DP-300 Practice Question: Monitor, configure, and optimize database resources
This DP-300 practice question tests your understanding of monitor, configure, and optimize database resources. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
You are managing an Azure SQL Database that uses Intelligent Insights. You receive an alert that there is a performance issue with a specific query. You need to analyze the root cause. What should you use?
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
✓
Query Store to review query execution plans and wait statistics
Query Store is the correct tool because it captures historical execution plans, runtime statistics, and wait statistics for individual queries, allowing you to pinpoint the root cause of a performance regression. Intelligent Insights provides high-level diagnostics but not the granular per-query plan and wait data needed for deep analysis of a specific query issue.
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.
- ✗
Intelligent Insights report
Why it's wrong here
Intelligent Insights provides high-level summaries, not detailed query analysis.
- ✗
Automatic Tuning recommendations
Why it's wrong here
Automatic Tuning applies fixes but does not provide root cause analysis.
- ✗
Azure Monitor metrics for the database
Why it's wrong here
Metrics show overall resource usage, not specific query details.
- ✓
Query Store to review query execution plans and wait statistics
Why this is correct
Query Store provides detailed query performance data for root cause analysis.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Intelligent Insights' automated diagnostics with the granular, query-level historical data that Query Store provides, assuming the alert's source (Intelligent Insights) is also the tool for deep manual investigation.
Trap categories for this question
Command / output trap
Metrics show overall resource usage, not specific query details.
Detailed technical explanation
How to think about this question
Query Store stores query text, execution plans, and runtime statistics (e.g., CPU time, duration, logical reads) along with wait statistics captured via sys.dm_exec_query_stats and sys.dm_os_wait_stats. By querying Query Store catalog views like sys.query_store_query and sys.query_store_plan, you can identify plan regressions by comparing historical execution metrics. In a real-world scenario, a query might show increased duration due to a plan change caused by parameter sniffing, which Query Store can reveal by showing the old and new plans side by side.
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.
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Monitor, configure, and optimize database resources — study guide chapter
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FAQ
Questions learners often ask
What does this DP-300 question test?
Monitor, configure, and optimize database resources — This question tests Monitor, configure, and optimize database resources — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Query Store to review query execution plans and wait statistics — Query Store is the correct tool because it captures historical execution plans, runtime statistics, and wait statistics for individual queries, allowing you to pinpoint the root cause of a performance regression. Intelligent Insights provides high-level diagnostics but not the granular per-query plan and wait data needed for deep analysis of a specific query issue.
What should I do if I get this DP-300 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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Last reviewed: Jul 4, 2026
This DP-300 practice question is part of Courseiva's free Microsoft 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 DP-300 exam.
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