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 are designing a disaster recovery plan for an Azure SQL Database that uses the Business Critical service tier. The database is 2 TB. You need to ensure that the secondary replica in a different Azure region is readable for reporting queries. What should you configure?
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 the target region.
Active geo-replication creates a readable secondary database in a different region that can be used for reporting. Option A is wrong: auto-failover groups do not automatically provide a readable secondary; they are designed for failover, and while you can configure a readable secondary, active geo-replication is the primary method for cross-region read-scale. Option B is wrong because zone-redundant backup storage provides redundancy for backups, not a readable secondary. Option D is wrong because geo-restore creates a new database from a backup and is not a continuously available readable replica.
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 an auto-failover group with a secondary in the paired region.
Why it's wrong here
Auto-failover groups do provide a readable secondary replica, even in a different region. However, active geo-replication is the recommended method for creating a readable secondary specifically for reporting and read-scale workloads, as it allows multiple readable secondaries and provides more flexibility. Failover groups are primarily designed for orchestrated failover, not for read-scale.
- ✗
Enable zone-redundant backup storage.
Why it's wrong here
Zone-redundant backup does not provide a readable replica.
- ✓
Configure active geo-replication to a secondary server in the target region.
Why this is correct
Active geo-replication provides a readable secondary database.
- ✗
Use geo-restore from geo-redundant backups.
Why it's wrong here
Geo-restore is not a continuous readable replica.
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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