why are interfaces 1/3, 1/5 and 1/7 blocked on Switch C?

seenagape

11 years ago

Referring to the exhibit, why are interfaces 1/3, 1/5 and 1/7 blocked on Switch C?

A.
Switch A is the root bridge.

B.
Switch B is the root bridge.

C.
Switch C is the root bridge.

D.
Path cost for interfaces 1/3, ly5 and 1/7 are unequal.