DP-300 Practice Question: Monitor, configure, and optimize database resources
You have an Azure SQL Managed Instance with a database that is used for reporting. The reporting queries are read-only and can tolerate some latency. You want to offload the reporting workload from the primary instance to a secondary read-only replica. Which feature should you use?
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
✓
Readable secondary in a failover group
The correct feature is a readable secondary in a failover group. This allows read-only queries to be routed to the secondary replica, offloading the reporting workload while maintaining high availability. SSIS (Option A) is an ETL tool, not for offloading read queries. Transaction replication (Option C) requires complex configuration and is not native to Managed Instance. Option D is incorrect because an auto-failover group does not support a read-write secondary; the secondary is always read-only.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SQL Server Integration Services (SSIS)
Why it's wrong here
SSIS is an ETL tool, not for read-only routing.
- ✓
Readable secondary in a failover group
Why this is correct
Allows read-only queries to be routed to the secondary.
- ✗
Transaction replication
Why it's wrong here
Transaction replication is not natively supported in Managed Instance for this purpose.
- ✗
Auto-failover group with read-write secondary
Why it's wrong here
Auto-failover groups are for failover, not read-only offloading.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Managed Instance
Azure SQL Managed Instance is a fully managed cloud database service that gives you nearly all the features of Microsoft SQL Server on your own server, without you having to manage the hardware or operating system.
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