Quick Answer
The answer is the Business Critical tier because it guarantees the fastest failover time with geo-replication, typically under 30 seconds, with the least data loss. This is due to its use of premium SSDs and in-memory technologies that maintain synchronous replicas within the region and enable rapid, automated failover to the secondary region, achieving the lowest RPO and RTO. On the Microsoft Azure Database Administrator Associate DP-300 exam, this question tests your understanding of how service tiers directly impact disaster recovery SLAs—a common trap is assuming Hyperscale offers faster failover, but its longer RPO and failover time make it unsuitable for a 5-minute recovery requirement. Remember the memory tip: “Business Critical is business critical for speed,” contrasting it with General Purpose’s higher RPO and Serverless’s lack of geo-replication support.
This DP-300 practice question tests your understanding of plan and configure a high availability and disaster recovery environment. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You manage a critical database in Azure SQL Database that must recover within 5 minutes in case of a regional outage. You configure geo-replication. Which SKU guarantees the fastest failover time with the least data loss?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "least"
Why it matters: You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
General Purpose (GP)
Why wrong: General Purpose has higher RPO.
Hyperscale (HS)
Why wrong: Hyperscale has longer failover and higher RPO.
Business Critical (BC)
Business Critical provides the lowest RPO and fastest failover.
Serverless
Why wrong: Serverless does not support geo-replication.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Business Critical (BC)
Option C is correct because Azure SQL Database Business Critical tier uses premium SSDs and in-memory technologies, providing the lowest RPO and fastest failover (typically <30 seconds). Hyperscale (A) has longer failover and higher RPO. General Purpose (B) has higher RPO. Serverless (D) is not suitable for geo-replication.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
General Purpose (GP)
Why it's wrong here
General Purpose has higher RPO.
Hyperscale (HS)
Why it's wrong here
Hyperscale has longer failover and higher RPO.
Business Critical (BC)
Why this is correct
Business Critical provides the lowest RPO and fastest failover.
Clue confirmation
The clue word "least" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Serverless
Why it's wrong here
Serverless does not support geo-replication.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Plan and configure a high availability and disaster recovery environment — study guide chapter
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FAQ
Plan and configure a high availability and disaster recovery environment — This question tests Plan and configure a high availability and disaster recovery environment — Read the scenario before looking for a memorised answer..
The correct answer is: Business Critical (BC) — Option C is correct because Azure SQL Database Business Critical tier uses premium SSDs and in-memory technologies, providing the lowest RPO and fastest failover (typically <30 seconds). Hyperscale (A) has longer failover and higher RPO. General Purpose (B) has higher RPO. Serverless (D) is not suitable for geo-replication.
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Yes — watch for: "least". You want the option with minimum overhead, fewest steps, or lowest impact — not the most feature-rich or comprehensive answer.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 21, 2026
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.
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