You have a list of allowed VLANs over an existing trunk. You need to set the allowed list back to default. Which command will perform this without interruption? Refer to the following exhibit.

A. Switch(config-if)#no switchport trunk allowed
B. Switch(config-if)#no switchport trunk allowed all
C. Switch(config-if)#no switchport trunk allowed 1-4096
D. Switch(config-if)#switchport trunk allowed vlan all

D. The command switchport trunk allowed vlan all will restore the allowed VLAN list back to default.