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 General Purpose tier. You need to implement a disaster recovery solution that provides an RPO of 5 seconds and an RTO of 1 hour. The solution must use Azure PaaS features only. 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
✓
Configure active geo-replication to a secondary server in a different region.
Active geo-replication provides asynchronous replication with a typical RPO of 5 seconds, and manual failover can be completed within the 1‑hour RTO window. Failover groups (Option A) are fully supported for Azure SQL Database (not limited to managed instances) and also meet the RPO/RTO targets, but they are designed to manage multiple databases as a group and introduce additional overhead for a single‑database scenario. Geo‑restore (Option C) has an RPO of up to one hour and a much longer RTO. Copy‑only backups (Option D) are not a disaster recovery solution.
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 between two servers in different regions.
Why it's wrong here
Failover groups are for managed instances, not single databases.
- ✓
Configure active geo-replication to a secondary server in a different region.
Why this is correct
Active geo-replication provides low RPO (seconds) and RTO within 1 hour.
- ✗
Use geo-restore to recover the database from the latest geo-replicated backup.
Why it's wrong here
Geo-restore has RPO of hours and RTO of hours.
- ✗
Configure copy-only backups to a secondary region.
Why it's wrong here
Copy-only backups do not provide automatic failover.
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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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