Which accounts and/or interfaces can be accessed by users set up to use this authentication?

A storage administrator has successfully configured EMC Avamar to use Microsoft Windows Active Directory external authentication. Which accounts and/or interfaces can be accessed by users set up to use this authentication?

A.
Avamar Administrator, Enterprise Manager, and Web Access

B.
MCUser, admin, and Enterprise Manager

C.
Avamar Administrator, root, and dpn

D.
MCUser, Web Access, and root