The IT security team wants to ensure that identity management is performed by using Active Directory. Password hashes must be stored on-premises only.

Access to all business-critical systems must rely on Active Directory credentials. Any suspi-cious authentication attempts must trigger a multi-factor authentication prompt automatically. legitimate users must be able to authenticate successfully by using multi-factor authentication.

You need to recommend a solution for implementing the back-end tier of the payment pro-cessing system in Azure.

What should you include in the recommendation?

A. an Azure SQL Database managed instance
B. a SQL Server database on an Azure virtual machine

C. an Azure SQL Database single database

D. an Azure SQL Database elastic pool