Your company has a main office and four branch offices.
You have an Exchange Server 2013 organization that contains 2,500 mailboxes.
An administrator plans to deploy Microsoft Lync Server 2013.
You need to enable the unified contact store in the Exchange Server 2013 organization.
What should you run?

A.
The New-CsPartnerApplication cmdlet

B.
The Set-ClientAccessServer cmdlet

C.
The Configure-EnterprisePartnerApplication.ps1 script

D.
The Set-AuthConfig cmdlet