DP-300 Plan and implement data platform resources Practice Question
You are deploying Azure SQL Database for a critical application. The compliance policy requires that the database be configured for zone redundancy in the primary region and have automated failover to a secondary region with no data loss. What Azure SQL Database offering and feature should you choose?
⚠ Common exam trap
Many exam-takers confuse the General Purpose tier's geo-replication (which is asynchronous and can lose data) with the Business Critical tier's active geo-replication (which supports synchronous replication for zero data loss), and they overlook that zone redundancy is only available in Business Critical and Hyperscale tiers, but Hyperscale lacks automated failover geo-replication.
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 tier with zone redundancy and active geo-replication
The Business Critical tier is the only Azure SQL Database tier that supports both zone redundancy within a region and active geo-replication with synchronous data replication to a secondary region. Zone redundancy ensures high availability within the primary region by distributing replicas across availability zones, while active geo-replication provides automated failover to a secondary region with no data loss because it uses synchronous commit at the primary and asynchronous replication to the secondary, but with the ability to fail over without data loss if the secondary is fully synchronized. This combination meets the compliance requirement for zero data loss during a regional failover.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Basic tier with geo-replication
Why it's wrong here
Basic tier does not support zone redundancy or geo-replication.
- ✓
Business Critical tier with zone redundancy and active geo-replication
Why this is correct
Business Critical provides zone redundancy and active geo-replication with zero data loss.
- ✗
General Purpose tier with geo-replication
Why it's wrong here
General Purpose may have data loss during failover.
- ✗
Hyperscale tier with zone redundancy
Why it's wrong here
Hyperscale does not support zone redundancy.
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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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.