Which two statements about deploying high availability for the Cisco WCS are true? (Choose two.)

A.
The high availability license file needs to be installed on the primary WCS server.

B.
The secondary WCS needs to be installed with the same version as the primary WCS.

C.
The primary and secondary WCS servers are not required to share the same subnet.

D.
The primary and secondary WCS servers need to be set up as high availability pairs.