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.
Which THREE considerations are important when choosing between Azure SQL Database and Azure SQL Managed Instance?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Need for SQL Server Agent
Option A is correct because SQL Server Agent is fully supported in Azure SQL Managed Instance, enabling native job scheduling and automation, whereas Azure SQL Database does not include SQL Server Agent and requires alternative solutions like Elastic Jobs or Azure Automation. Option B is correct because Azure SQL Managed Instance supports databases up to 16 TB, while Azure SQL Database (single database) has a maximum size of 4 TB for the Hyperscale service tier, making Managed Instance necessary for databases exceeding 4 TB in non-Hyperscale tiers. Option E is correct because Azure SQL Managed Instance provides near-100% compatibility with on-premises SQL Server, allowing lift-and-shift migrations with minimal or no application changes, whereas Azure SQL Database often requires schema and code modifications due to differences in features like CLR, Service Broker, or cross-database queries.
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.
✓
Need for SQL Server Agent
Why this is correct
SQL Managed Instance supports SQL Server Agent, while SQL Database uses elastic jobs.
Related concept
Read the scenario before looking for a memorised answer.
✓
Database size greater than 4 TB
Why this is correct
SQL Managed Instance supports up to 16 TB, while SQL Database has limits per database.
Related concept
Read the scenario before looking for a memorised answer.
✗
Requirement for elastic pools
Why it's wrong here
Both support elastic pools (SQL Database has elastic pools, SQL Managed Instance has instance pools).
✗
Need for automated backups
Why it's wrong here
Both provide automated backups.
✓
Lift-and-shift migration with minimal changes
Why this is correct
SQL Managed Instance is designed for easy migration with high compatibility.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume automated backups are unique to one service, but both Azure SQL Database and Azure SQL Managed Instance include automated backups by default, so this is not a valid differentiator.
Detailed technical explanation
How to think about this question
Under the hood, Azure SQL Managed Instance runs in a dedicated virtual network (VNet) and provides native SQL Server Agent, CLR, Service Broker, and cross-database query support via linked servers, making it ideal for complex enterprise workloads. In contrast, Azure SQL Database is a Platform-as-a-Service (PaaS) offering with a simplified architecture that abstracts the underlying OS and instance, limiting features like SQL Server Agent to Elastic Jobs, which requires additional configuration and has different capabilities. A real-world scenario: a financial application using SQL Server Agent for nightly batch jobs would require Managed Instance to avoid rewriting job logic into Azure Automation or external schedulers.
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
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 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: Need for SQL Server Agent — Option A is correct because SQL Server Agent is fully supported in Azure SQL Managed Instance, enabling native job scheduling and automation, whereas Azure SQL Database does not include SQL Server Agent and requires alternative solutions like Elastic Jobs or Azure Automation. Option B is correct because Azure SQL Managed Instance supports databases up to 16 TB, while Azure SQL Database (single database) has a maximum size of 4 TB for the Hyperscale service tier, making Managed Instance necessary for databases exceeding 4 TB in non-Hyperscale tiers. Option E is correct because Azure SQL Managed Instance provides near-100% compatibility with on-premises SQL Server, allowing lift-and-shift migrations with minimal or no application changes, whereas Azure SQL Database often requires schema and code modifications due to differences in features like CLR, Service Broker, or cross-database queries.
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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Question Discussion
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