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 zone redundancy enabled. The database experiences a brief outage due to a zone failure. How does the platform automatically recover?
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
✓
A replica in another availability zone is automatically promoted to primary.
The Business Critical tier with zone redundancy automatically fails over to a replica in another zone without data loss. Option A is wrong because the service heals itself without manual intervention. Option C is wrong because no data loss occurs (zero data loss is guaranteed). Option D is wrong because automatic failover happens within seconds.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
You must perform a manual failover to a secondary replica.
Why it's wrong here
Failover is automatic.
- ✓
A replica in another availability zone is automatically promoted to primary.
Why this is correct
Zone redundancy provides automatic failover to a replica in another zone.
- ✗
The database is restored from the latest backup.
Why it's wrong here
Restoring from backup would cause data loss and take longer.
- ✗
The database becomes read-only until the zone is restored.
Why it's wrong here
The database remains read-write after 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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-300 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-300 exam.