You have a transactional application that stores data in an Azure SQL managed instance. When should you implement a read-only database replica? 

Answer options:

A. You need to generate reports without affecting the transactional workload.
B. You need to audit the transactional application.
C. You need to implement high availability in the event of a regional outage.
D. You need to improve the recovery point objective (RPO).

A

Use read-only replicas to offload read-only query workloads. Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/read-scale-out