Plan and configure a high availability and disaster recovery environment →hardMultiple SelectObjective-mapped
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
You are tasked with designing a disaster recovery solution for Azure SQL Database that meets an RPO of 5 seconds and an RTO of 30 seconds during a regional outage. Which TWO features should you combine?
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
✓
Business Critical service tier
The correct combination is Business Critical service tier (B) and failover groups with active geo-replication (C). Business Critical provides multiple read-write replicas and automatic failover within a region, enabling low RTO. Active geo-replication with failover groups extends this across regions, achieving the required RPO of 5 seconds and RTO of 30 seconds. Zone-redundant configuration (E) only provides intra-region resilience, not cross-region disaster recovery. Geo-restore from GRS backups (D) has an RTO measured in hours. General Purpose (A) lacks the performance and replica architecture to meet the strict RTO/RPO.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
General Purpose service tier
Why it's wrong here
Might not meet RPO/RTO.
- ✓
Business Critical service tier
Why this is correct
Provides low latency and high availability.
- ✓
Failover groups with active geo-replication
Why this is correct
Enables fast cross-region failover.
- ✗
Geo-restore from GRS backups
Why it's wrong here
RPO ~1 hour, RTO hours.
- ✗
Zone-redundant configuration
Why it's wrong here
Only protects within region.
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
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