Which two steps are required to configure LDAP authentication? (Choose two.)

A.
Configure the LDAP server type in Cisco Unified Communications Manager Administration.

B.
Configure LDAP server addresses in Cisco Unified Communications Manager Administration.

C.
Add a Cisco Unified Communications Manager directory user and assign administrator access rights to the user in the LDAP directory.

D.
Configure a synchronization schedule.

E.
Activate Cisco DirSync service.