which two modules require that a Fabric 2 module is installed?

To operate properly, which two modules require that a Fabric 2 module is installed? (Choose two.)

A.
4/44-port 8-Gb/s module

B.
24-port 8-Gb/s module

C.
48-port 4-Gb/s module

D.
4-port 10-Gb/s module

E.
48-port 8-Gb/s module