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 have an Azure SQL Database in the Business Critical tier with a failover group to a secondary region. The primary region experiences a full outage. What is the expected recovery time objective (RTO) and recovery point objective (RPO) if you initiate a manual failover?
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
✓
RTO of 30 seconds, RPO of 0.
In Azure SQL Database Business Critical tier with a failover group, synchronous replication ensures zero data loss during a failover, resulting in an RPO of 0. The RTO for a manual failover is typically around 30 seconds. Option A is incorrect because the RTO is 5 minutes, which is too high for Business Critical. Option B is incorrect because the RPO is 5 seconds, not zero. Option C is incorrect because both RTO (1 hour) and RPO (5 minutes) are much higher than what Business Critical offers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RTO of 5 minutes, RPO of 1 second.
Why it's wrong here
Business Critical tier with failover groups offers an RTO of approximately 30 seconds and RPO of 0, not 5 minutes and 1 second.
- ✗
RTO of 30 seconds, RPO of 5 seconds.
Why it's wrong here
While the RTO of 30 seconds is accurate, the RPO of 5 seconds is not zero; Business Critical provides zero data loss.
- ✗
RTO of 1 hour, RPO of 5 minutes.
Why it's wrong here
Both the RTO (1 hour) and RPO (5 minutes) are significantly higher than the actual values for Business Critical tier.
- ✓
RTO of 30 seconds, RPO of 0.
Why this is correct
Azure SQL Database Business Critical tier with failover groups uses synchronous replication, achieving an RPO of 0 (no data loss) and an RTO of approximately 30 seconds for manual failover.
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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