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. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 retail company runs its legacy order management application on an on-premises SQL Server. They plan to migrate to Azure with minimal application changes and need high availability with automatic failover to a secondary Azure region. They also require full database-level isolation and the ability to use SQL Server Agent jobs. Which Azure deployment option should they choose?
Why wrong: Incorrect. Azure SQL Database single database lacks SQL Server Agent and has a different feature set, requiring more application changes.
B
Azure SQL Database elastic pool
Why wrong: Incorrect. Elastic pool shares resources among databases and still lacks SQL Server Agent and full compatibility.
C
Azure SQL Managed Instance
Correct. SQL Managed Instance offers high compatibility with SQL Server, supports SQL Server Agent, and enables auto-failover groups for disaster recovery.
D
SQL Server on Azure Virtual Machine
Why wrong: Incorrect. While fully compatible, this option requires more management and does not include automatic failover; you must configure Always On Availability Groups manually.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure SQL Managed Instance
Azure SQL Managed Instance (C) is correct because it provides near-100% compatibility with on-premises SQL Server, including full database-level isolation (a dedicated instance) and full support for SQL Server Agent jobs. It also supports auto-failover groups for high availability with automatic failover to a secondary Azure region, meeting the migration requirement with minimal application changes.
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 single database
Why it's wrong here
Incorrect. Azure SQL Database single database lacks SQL Server Agent and has a different feature set, requiring more application changes.
✗
Azure SQL Database elastic pool
Why it's wrong here
Incorrect. Elastic pool shares resources among databases and still lacks SQL Server Agent and full compatibility.
✓
Azure SQL Managed Instance
Why this is correct
Correct. SQL Managed Instance offers high compatibility with SQL Server, supports SQL Server Agent, and enables auto-failover groups for disaster recovery.
Related concept
Read the scenario before looking for a memorised answer.
✗
SQL Server on Azure Virtual Machine
Why it's wrong here
Incorrect. While fully compatible, this option requires more management and does not include automatic failover; you must configure Always On Availability Groups manually.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure SQL Database (single or elastic pool) with SQL Managed Instance, overlooking that SQL Agent jobs and full instance-level isolation are exclusive to Managed Instance, while also mistakenly thinking that SQL Server on Azure VM is the only option for high availability with automatic failover.
Detailed technical explanation
How to think about this question
Azure SQL Managed Instance uses a native virtual network (VNet) deployment, providing network isolation and a private IP address, which is critical for legacy applications expecting a fixed SQL Server instance. The auto-failover group feature leverages the same underlying technology as SQL Server Always On Availability Groups but is managed by Azure, enabling automatic, synchronous data replication to a paired secondary region with a configurable grace period (typically 1 hour) before automatic failover triggers. SQL Server Agent jobs are fully supported in Managed Instance, allowing existing maintenance scripts, backups, and job schedules to run unchanged.
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.
TExam Day Tips
→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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
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 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 Managed Instance — Azure SQL Managed Instance (C) is correct because it provides near-100% compatibility with on-premises SQL Server, including full database-level isolation (a dedicated instance) and full support for SQL Server Agent jobs. It also supports auto-failover groups for high availability with automatic failover to a secondary Azure region, meeting the migration requirement with minimal application changes.
What should I do if I get this DP-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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