Plan and configure a high availability and disaster recovery environment →hardMultiple ChoiceObjective-mapped
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
You are troubleshooting a failover group for Azure SQL Database. The automatic failover is not triggering as expected during a regional outage. You verify that the grace period for data loss is set to 3600 seconds. The outage lasts 30 minutes. What is the most likely reason the automatic failover did not occur?
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
✓
The outage duration is less than the grace period for data loss.
The grace period for data loss is set to 3600 seconds (1 hour), and the outage lasted only 30 minutes. Automatic failover for Azure SQL Database failover groups will not occur until the grace period expires, as the system waits for the outage to resolve within that time to avoid unnecessary failover and potential data loss. Option A is incorrect because the failover policy is not specified as manual; if it were manual, the automatic failover would not occur regardless of the grace period. Option C is incorrect because the grace period is actually longer than the outage duration, so it is not too short. Option D is incorrect because there is no indication that the secondary region is also experiencing an outage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The failover policy is set to manual.
Why it's wrong here
The scenario states automatic failover is configured.
- ✓
The outage duration is less than the grace period for data loss.
Why this is correct
Automatic failover only occurs after the grace period expires.
- ✗
The grace period for data loss is too short.
Why it's wrong here
The grace period is 1 hour, which is longer than the outage.
- ✗
The secondary region is also experiencing an outage.
Why it's wrong here
The scenario implies the outage is in the primary region only.
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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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