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200-301 · Question #399

200-301 Question #399: Real Exam Question with Answer & Explanation

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

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?

Options

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

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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