you have three switches configured as shown in the exhibit. how can you guarantee that switch c becomes the root bridge? answer configure fa0/1 and fa0/2 on switch c with a higher port priority. configure fa0/1 and fa0/2 on switch c with a lower cost value. configure switch c with a higher priority value. configure fa0/1 and fa0/2 on switch c with a higher cost value. configure switch c with a lower priority value. configure fa0/1 and fa0/2 on switch c with a lower port priority.