You need to update the Lync address book immediately to reflect the changes you made

You support a customer whose network environment includes Microsoft Lync Server 2013. All users
are members of an Active Directory Domain Services (AD DS) domain. All users are using the Global
client policy. AddressBookAvailability is set to WebSearchOnly. For some users in Active Directory,
you change the attributes that relate to title and department. You discover that these attributes are
not reflected in the users’ contact cards in Lync 2013. You need to update the Lync address book
immediately to reflect the changes you made. What should you do?

A.
Run the Update-CsUserDatabase cmdlet.

B.
Run the Set-CsClientPolicy -Identity Global -EnableExchangeContactSync $true cmdlet.

C.
Run the Update-CsAddressBook cmdlet.

D.
Change the Global Client Policy to use WebSeachandFileDownload.