You have an Exchange Server 2010 Service Pack 1 (SP1) organization.
All users access their mailbox by using Microsoft Outlook 2010.
The Department attribute of each user is specified in Active Directory.

You need to ensure that when the users work offline, they can locate a recipient based on
the recipient’s department.
What should you do from the Exchange Management Console (EMC)?

A.
Modify the default offline address book (OAB) settings. Modify the mailbox settings of
each mailbox.

B.
Create an address list for each department. Modify the mailbox settings of each mailbox.

C.
Create an offline address book (OAB) for each department. Modify the mailbox settings of
each mailbox.

D.
Create an address list for each department. Modify the default offline address book (OAB)
settings.