Which is a configuration requirement for Expand-over-FOX line-handlers?

A.
The Expand system number must be the same as the FOX cluster number.
B.
The ASSOCIATEDEV parameter must be set to $ZZFOX.#LBU.
C.
The NEXTSYS parameter must be set to the Expand system number of a remote node.
D.
A line-handler process must be configured for each node in the FOX cluster including the local
node.