DP-300 Practice Question: Monitor, configure, and optimize database resources
You are designing a database monitoring solution for a critical Azure SQL Database. You need to retain performance data for 90 days and receive alerts when DTU usage exceeds 80%. Which combination of tools 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
✓
Azure SQL Analytics (now integrated in Azure Monitor) and configure alerts.
Azure SQL Analytics (now part of Azure Monitor) provides long-term retention and alerting capabilities. Option A is wrong because Query Store default retention is limited. Option B is wrong because DMVs only show current state and are not designed for long-term retention and alerting. Option D is wrong because Intelligent Insights provides analysis but not configurable retention.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Query Store with retention set to 90 days.
Why it's wrong here
Query Store default retention is limited and not suitable for 90-day retention.
- ✗
DMVs queried by a custom script.
Why it's wrong here
DMVs only show current state and are not designed for long-term retention and alerting.
- ✓
Azure SQL Analytics (now integrated in Azure Monitor) and configure alerts.
Why this is correct
Correct because Azure SQL Analytics (now part of Azure Monitor) provides long-term retention and alerting capabilities.
- ✗
Intelligent Insights and configure email notifications.
Why it's wrong here
Intelligent Insights provides analysis but not configurable retention.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Query Store
Query Store is a built-in SQL Server feature that captures and stores a history of query execution plans and performance data for easy monitoring and troubleshooting.
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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