A corporate environment includes Exchange Server 2010. Two teams of support technicians manage mailboxes for the organization.
You have the following requirements:

* The Tier 1 support team must manage mailboxes for all users other than those in the Executive Organizational Unit (OU).
* The Tier 2 support team must manage mailboxes for all users in the Executive OU. You need to recommend a solution that meets the requirements.

What should you recommend?

A.
Create an explicit scope for the Tier 1 support team.

B.
Create an exclusive scope for the Tier 1 support team.

C.
Create an exclusive scope for the Tier 2 support team.

D.
Create a configuration scope for the Tier 2 support team.