On Switch 5, which command would configure VLAN 5 as root?
A. switch5#spanning-tree vlan 5 priority 0
B. switch5(config)#spanning-tree vlan 5 priority 61440
C. switch5(config)#spanning-tree vlan 5 root
D. switch5(config)#spanning-tree vlan 5 priority 0
E. switch5(config-if)#spanning-tree rootguard
