Plan and configure a high availability and disaster recovery environment →easyMultiple ChoiceObjective-mapped
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
You need to design a disaster recovery plan for an Azure SQL Managed Instance. The recovery time objective (RTO) is 1 hour, and the recovery point objective (RPO) is 15 minutes. What is the most cost-effective solution?
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
✓
Create an auto-failover group with a secondary instance in a paired region.
Auto-failover groups (Option C) are the most cost-effective solution for Azure SQL Managed Instance with an RTO of 1 hour and RPO of 15 minutes. They provide an RTO of ~1 hour and an RPO of 5 seconds to 5 minutes, meeting the requirements at low cost. Option A is incorrect because active geo-replication is not supported for SQL Managed Instance. Option B is incorrect because log shipping is not natively supported for Managed Instance. Option D is incorrect because point-in-time restore has a longer RTO and RPO, typically not meeting the 15-minute RPO requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Configure active geo-replication between instances in different regions.
Why it's wrong here
Active geo-replication is not available for Managed Instance.
- ✗
Set up log shipping to a secondary instance.
Why it's wrong here
Log shipping is not a native feature for Managed Instance.
- ✓
Create an auto-failover group with a secondary instance in a paired region.
Why this is correct
Auto-failover groups provide low RTO and RPO for Managed Instance.
- ✗
Use point-in-time restore to a secondary region.
Why it's wrong here
Restore can take longer than 1 hour RTO.
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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