Plan and configure a high availability and disaster recovery environment →mediumMultiple ChoiceObjective-mapped
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
You have an Azure SQL Managed Instance configured with a failover group across two regions. The primary region experiences a complete outage. You perform a manual failover to the secondary region. After the primary region is restored, you need to bring the original primary back into the failover group. What is the correct order of actions?
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
✓
Remove the original primary from the failover group and then add it back as a secondary.
After a manual failover in an Azure SQL Managed Instance failover group, the original primary becomes a secondary. To restore it to the failover group, you must first remove the original primary from the group if it is still listed, then add it back as a secondary. This allows the original primary to rejoin as a readable secondary and resync data. Option B is incorrect because a planned failover can only be initiated when the primary is healthy, which it may not be after an outage. Option C is incorrect because creating a new instance is unnecessary and wasteful. Option D is incorrect because a forced failover is not appropriate for restoring a previously failed instance; forced failover is used for urgent failover scenarios and may cause data loss.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Remove the original primary from the failover group and then add it back as a secondary.
Why this is correct
Correct: This re-establishes the failover relationship.
- ✗
Perform a planned failover back to the original primary region.
Why it's wrong here
Incorrect: The original primary is currently a secondary; a planned failover would fail.
- ✗
Create a new SQL Managed Instance in the original region and add it to the failover group.
Why it's wrong here
Incorrect: The original instance still exists.
- ✗
Perform a forced failover to the original primary region.
Why it's wrong here
Incorrect: A forced failover is not needed; the original primary is already a secondary.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Managed Instance
Azure SQL Managed Instance is a fully managed cloud database service that gives you nearly all the features of Microsoft SQL Server on your own server, without you having to manage the hardware or operating system.
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