Which three actions should you perform?

You have an Exchange Server 2016 organization.
You need to ensure that users in each department download an Offline Address Book (OAB) that only contains
the users in their department. The solution must ensure that all of the users can continue to see all the other
users in the organization.
Which three actions should you perform? Each correct answer presents part of the solution.

A.
Create an OAB for each department

B.
Modify the properties for each user mailbox.

C.
Create an address book policy (ABP) for each department.

D.
Create an address list for each department.

E.
Modify the properties of the default OAB.

F.
Create an email address policy for each department.

Explanation:
https://technet.microsoft.com/en-us/library/hh529942(v=exchg.150).aspx
https://technet.microsoft.com/en-us/library/hh529948(v=exchg.150).aspx