Assume that the following MAC addresses are used for the bridge ID MAC address by four different
switches in a network. Which switch will be elected as the spanning-tree root bridge?

A.
SwitchA uses MAC 1000.AA-AA-AA-AA-AA-AA.

B.
SwitchB uses MAC 2000.BB-BB-BB-BB-BB-BB.

C.
SwitchC uses MAC 3000.CC-CC-CC-CC-CC-CC.

D.
SwitchD uses MAC 4000.DD-DD-DD-DD-DD-DD.