Refer to the exhibit. A network engineer must configured communication between PC A and the File Server. To prevent interruption for any other communications, which command must be configured?

The correct answer is C. Switchport trunk allowed vlan add 13. The switchport trunk allowed vlan command is used to specify the list of VLANs that are allowed on a trunk port. When a Layer 2 interface on a Cisco IOS device is configured to operate in trunk mode, the default setting is for the interface to carry all of the VLANs defined on th

Submitted by fernanda_arg· Mar 5, 2026Network Access

Question

Exhibits

Options

ASwitch trunk allowed vlan 12
BSwitchport trunk allowed vlan none
CSwitchport trunk allowed vlan add 13
DSwitchport trunk allowed vlan remove 10-11

How the community answered

(50 responses)

A
4% (2)
B
12% (6)
C
76% (38)
D
8% (4)

Explanation

The switchport trunk allowed vlan command is used to specify the list of VLANs that are allowed on a trunk port. When a Layer 2 interface on a Cisco IOS device is configured to operate in trunk mode, the default setting is for the interface to carry all of the VLANs defined on the switch.

Topics

#Cisco VLAN trunking#Allowed VLANs#Switchport configuration

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