When you are troubleshooting hardware, what does the slave system control bus field
indicate?

A.
the firmware version of the system control bus

B.
the version number of one of the system control buses that allow the SPC
tocommunicate with PACs

C.
the firmware version of the chassis information FPGA

D.
the firmware version of the component that allows non-SPCs and non-SMCs
tocommunicate with the SPC and SMC over the system control bus

Explanation: