Ccna certification Practice Tests

B. 

Switch(config-if)#add allowed vlan 4

C. 

Switch(config-if)#switchport trunk add vlan 4

D. 

Switch(config-if)#switchport trunk allowed add vlan 4

 50.  You try to configure the command 

switchport mode trunk on an interface. However, 

you see the error message 

Command rejected: An interface whose trunk 

encapsulation is Auto cannot be configured to trunk mode. What command 

will fix the issue?

A. 

Switch(config-if)#switchport mode trunk manual

B. 

Switch(config-if)#no switchport mode dynamic auto

C. 

Switch(config-if)#switchport trunk encapsulation dot1q

D. 

Switch(config-if)#no switchport trunk encapsulation auto