Refer to the exhibit. What is the problem with this configuration? Select the best response.

A.
Spanning tree PortFast cannot be configured on a port when a sticky secure MAC address is used.

B.
Spanning tree PortFast cannot be configured on a port where a voice VLAN is configured.

C.
Sticky secure MAC addresses cannot be used on a port when a voice VLAN is configured.

D.
The switch port must be configured as a trunk.