Which two LDAP configurations are supported in Cisco TelePresence Manager intergration?

Which two LDAP configurations are supported in Cisco TelePresence Manager intergration? (Choose two.)

A.
Multiple Exchange Servers exists within a single forest and a single domain.

B.
Multiple Exchange Servers exists within a multiple forest and a single domain.

C.
Multiple Exchange Servers exists within a single forest and a multiple domain.

D.
Multiple Exchange Servers exists within a multiple forest and a multiple domain.