Refer to the exhibit.

How should the FastEthernet0/1 ports on the 2950 model switches that are shown in the exhibit be
configured to allow connectivity between all devices?

A.
The ports only need to be connected by a crossover cable.

B.
SwitchX (config)# interface fastethernet 0/1
SwitchX (config-if)# switchport mode access
SwitchX (config-if)# switchport access vlan 1

C.
SwitchX (config)# interface fastethernet 0/1
SwitchX (config-if)# switchport mode trunk
SwitchX (config-if)# switchport trunk vlan 1
SwitchX (config-if)# switchport trunk vlan 10
SwitchX (config-if)# switchport trunk vlan 20

D.
SwitchX(config)# interface fastethernet 0/1
SwitchX(config-if)# switchport mode trunk

Explanation: