Which of the following is a characteristic i\of the 32-Gb/s control bus?

A.
Provides a transport path user session data from one PSC to another, but utilizing 10 of the application card slots in the chassis

B.
Hosted on the SMC

C.
Utikizes a full-duplex Gigabit Ethernet Switching Hierarchy from the SMCs to each of the 14 application card slots in the chassis

D.
Consists of multiple, full-duplex serial links