What should you do?

You need to implement a solution to support the planned changes for the branch office administrators.

What should you do?
A . Assign the Mail Recipients role to the branch office administrators and use a default management scope.
B . Assign the Mail Recipients role to the branch office administrators and create a custom management scope.
C . Assign the Recipient Policies role to the branch office administrators and use a default management scope.
D . Assign the Recipient Policies role to the branch office administrators and create a
custom management scope.

Answer: B

Explanation:

Ensure that the branch office administrators can configure the properties of the mailboxes in their respective offices only.

Reference: https://docs.microsoft.com/en-us/exchange/mail-recipients-role-exchange-2013-help