Which two features will enable the creation of a Cisco-Brocade heterogeneous fabric without restricting the feature set of either switch?

A customer would like to add Cisco MDS switches to an existing Brocade environment with minimal disruption. The Brocade switches are using PID-0 mode. Which two features will enable the creation of a Cisco-Brocade heterogeneous fabric without restricting the feature set of either switch? (Choose two.)

A.
interop mode 1

B.
interop mode 2

C.
interop mode 3

D.
IVR

E.
PortChannels

F.
CWDM