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 Database in the Hyperscale service tier. You need to ensure that the database remains available during a single Azure zone failure. The solution must not require manual intervention. What should you configure?
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
✓
Enable zone redundancy on the Hyperscale database.
Hyperscale databases support zone redundancy, which automatically places database replicas in different availability zones, ensuring availability during a single zone failure without manual intervention. Option A is incorrect because failover groups with a secondary in a different zone are used for SQL Managed Instance or other service tiers, not for Hyperscale zone redundancy. Option C is incorrect because active geo-replication is for disaster recovery across regions, not for zone-level failures. Option D is incorrect because auto-failover groups are for SQL Managed Instance or other tiers, and zone redundancy is the native solution for Hyperscale.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create a failover group with a secondary in a different zone.
Why it's wrong here
Failover groups are for managed instances, not Hyperscale.
- ✓
Enable zone redundancy on the Hyperscale database.
Why this is correct
Hyperscale zone redundancy provides automatic recovery from zone failure.
- ✗
Configure active geo-replication to a secondary server in a different zone.
Why it's wrong here
Active geo-replication is for cross-region DR, not zone failure.
- ✗
Configure an auto-failover group with a secondary in a different zone.
Why it's wrong here
Auto-failover groups are for managed instances.
Go deeper
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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