The answer is Azure SQL Database Business Critical tier with failover groups because this combination delivers both automatic failover and built-in read-scale capabilities for reporting workloads. The Business Critical tier uses Always On Availability Groups technology to synchronously replicate data across multiple replicas, ensuring zero data loss during failover, while the failover group feature enables automatic, orchestrated failover across Azure regions. On the DP-900 exam, this question tests your understanding of Azure SQL Database service tiers and their specific high availability features—a common trap is confusing Hyperscale’s scale-out storage with Business Critical’s read-scale replicas, or assuming SQL Server on Azure VMs offers automatic failover without manual configuration. Remember the key distinction: Business Critical = high availability + read-scale out of the box, while Hyperscale is for massive databases and storage elasticity. Memory tip: “Business Critical brings the critical business benefits—auto failover and read-scale—in one tier.”
DP-900 Practice Question: Identify considerations for relational data on Azure
This DP-900 practice question tests your understanding of identify considerations for relational data on azure. 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.
A company is migrating a large on-premises SQL Server database to Azure. They require high availability with automatic failover and read-scale for reporting workloads. Which Azure service should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure SQL Database Business Critical tier with failover groups
Option B is correct because Azure SQL Database with Business Critical tier and failover group provides automatic failover and read-scale. Option A is wrong because Hyperscale is for very large databases but not primarily for high availability with read-scale. Option C is wrong because SQL Server on Azure VMs requires manual configuration for high availability. Option D is wrong because Azure Database for PostgreSQL is not a SQL Server migration target.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Azure SQL Database Hyperscale tier
Why it's wrong here
Hyperscale is for large databases, not optimized for automatic failover with read-scale.
✗
Azure Database for PostgreSQL with geo-redundant backup
Why it's wrong here
Not a SQL Server migration target and does not provide read-scale.
✗
SQL Server on Azure Virtual Machines with Always On availability groups
Why it's wrong here
Requires manual configuration and management, not a managed service.
✓
Azure SQL Database Business Critical tier with failover groups
Why this is correct
Business Critical provides built-in high availability and failover groups enable automatic failover with readable secondaries.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
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
How to think about this question
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.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-900 question in full detail.
Identify which DP-900 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.
Identify considerations for relational data on Azure — This question tests Identify considerations for relational data on Azure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure SQL Database Business Critical tier with failover groups — Option B is correct because Azure SQL Database with Business Critical tier and failover group provides automatic failover and read-scale. Option A is wrong because Hyperscale is for very large databases but not primarily for high availability with read-scale. Option C is wrong because SQL Server on Azure VMs requires manual configuration for high availability. Option D is wrong because Azure Database for PostgreSQL is not a SQL Server migration target.
What should I do if I get this DP-900 question wrong?
Identify which DP-900 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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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