You need to change the native VLAN for an uplink interface Fa0/23 from VLAN 1 to VLAN 999. Which command would you use?

A. Switch(config-if)# switchport trunk native vlan 999
B. Switch(config-if)# native vlan 999
C. Switch(config-if)# switchport native vlan 999
D. Switch(config-if)# no switchport native vlan 1 Switch(config-if)#switchport native vlan 999

A. The command to change the native VLAN of a trunk to VLAN 999 is switchport trunk native vlan 999.