G1/2 is the root port for SW4, please choose the command so G1/1 can be the new root port?
G1/2 is the root port for SW4, please choose the command so G1/1 can be the new root port?A . spanning-tree cost 1 on interface g1/1B . spanning-tree cost 5 on interface gi0/1C . spanning-tree port priority 0 on g1/1D . spanning-tree port priority 0 on g1/2View AnswerAnswer: B