Which command will show you the native VLAN for only Fa0/15?

A. Switch# show running-config
B. Switch# show interface fastethernet 0/15
C. Switch# show interface fastethernet 0/15 Switchport
D. Switch# show switchport fastethernet 0/15

C. The command show interface fastethernet 0/15 switchport will show the operational mode, and if configured as a trunk, it will show the native VLAN.