Which configuration would establish interface Gi1/1 the new root port for VLAN 40?

Refer to the exhibit, interface Gi1/2 is the root port for VLAN 40 on DSW-01.

Which configuration would establish interface Gi1/1 the new root port for VLAN 40?
A . DSW-01(config)#interface gig1/1
DSW-01(config-if)#spanning-tree port-priority 0
B . DSW-01(config)#interface gig1/2
DSW-01(config-if)#spanning-tree port-priority 0
C . DSW-01(config)#interface gig1/1
DSW-01(config-if)#spanning-tree cost 1
D . DSW-01(config)#interface gig1/2
DSW-01(config-if)#spanning-tree cost 5

View Answer

Answer: D