When is zoning required? (Select three.)

A.
when the number of nodes or ports in the SAN exceeds the storage system connection
limit

B.
when mixing OpenVMS and Tru64 UNIX operating systems connected to the same
storage subsystem

C.
when the SAN performance does not meet the needs of the customer’s application
environment

D.
when there are known interaction problems between different hardware platforms

E.
when mixing operating systems that are currently only supported in homogeneous SANs

F.
when inter-switch linktrunking between core switches is implemented