DP-300 Implement a secure environment Practice Question
Your Azure SQL Database is configured with a failover group across two regions. You need to ensure that client connections automatically redirect to the secondary region during a regional outage, without changing the connection string. What should you implement?
⚠ Common exam trap
Many exam-takers confuse the failover group listener with a Traffic Manager profile or assume that private endpoints alone provide automatic cross-region failover, overlooking that the listener is the specific Azure feature designed for transparent, connection-string-free redirection during regional outages.
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
✓
Configure the failover group with a listener endpoint and use that in the connection string.
A failover group in Azure SQL Database provides a listener endpoint (e.g., `server.database.windows.net`) that automatically resolves to the primary or secondary region based on the current role. By using this listener in the connection string, client connections are redirected transparently during a regional outage without any manual changes to the connection string, as the DNS record is updated by the failover group to point to the secondary region.
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 read scale-out and configure application retry logic.
Why it's wrong here
Read scale-out is for read-only replicas, not for write failover.
- ✗
Deploy Azure Traffic Manager in front of the SQL Database and configure failover routing.
Why it's wrong here
Traffic Manager can work but is unnecessary; failover group listener is the recommended approach.
- ✓
Configure the failover group with a listener endpoint and use that in the connection string.
Why this is correct
The listener endpoint automatically points to the current primary, enabling transparent failover.
- ✗
Use private endpoints in both regions and configure DNS with a CNAME record.
Why it's wrong here
Private endpoints do not automatically failover; manual DNS update would be needed.
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Related to this question
Learn chapter
Overview of Azure Data Platform Options
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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