Plan and configure a high availability and disaster recovery environment →mediumMultiple ChoiceObjective-mapped
DP-300 Active geo-replication Practice Question
Your company has an Azure SQL Database with active geo-replication to a secondary region. During a regional outage, the secondary database becomes the primary. After the outage is resolved, you need to bring the original primary back online with minimal data loss and without creating a new secondary. What should you do?
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
✓
Re-establish geo-replication from the new primary to the original primary.
After a failover using active geo-replication, the original primary becomes a secondary database in the replication relationship. To bring it back online with minimal data loss, you re-establish geo-replication from the new primary to the original primary. This allows the original primary to synchronize and become a readable secondary again. Option D is correct. Option A is incorrect because geo-replication is not automatically re-established; you must manually configure it. Option B is incorrect because restoring from backup would cause data loss and require creating a new secondary. Option C is incorrect because deleting the original primary is unnecessary; it can be reused as a secondary.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Automatically re-establish geo-replication by waiting for the outage resolution.
Why it's wrong here
Incorrect: Geo-replication does not automatically re-establish after failover.
- ✗
Restore the original primary from a backup and then re-establish geo-replication.
Why it's wrong here
Incorrect: No need to restore; the database is still available.
- ✗
Delete the original primary database and create a new secondary from the new primary.
Why it's wrong here
Incorrect: The original primary can still be used as a secondary.
- ✓
Re-establish geo-replication from the new primary to the original primary.
Why this is correct
Correct: The original primary becomes a secondary and can be re-synchronized.
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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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