200-301 Question #778: Real Exam Question with Answer & Explanation

The correct answer is A: Switch#show vlan id 20. The show vlan id <VLAN_ID> command displays detailed information about a specific VLAN, including all ports assigned to it.

Submitted by obi.ng· Mar 5, 2026Network Access

Question

Which command can you enter to view the ports that are assigned to VLAN 20?

Options

ASwitch#show vlan id 20
BSwitch#show ip interface brief
CSwitch#show interface vlan 20
DSwitch#show ip interface vlan 20

Explanation

The show vlan id <VLAN_ID> command displays detailed information about a specific VLAN, including all ports assigned to it.

Common mistakes.

B. show ip interface brief displays the IP address and status of all interfaces, including SVIs, but does not show which physical ports belong to which VLAN.
C. show interface vlan 20 displays the status and statistics for the Switch Virtual Interface (SVI) for VLAN 20, not the physical ports assigned to it.
D. show ip interface vlan 20 is incorrect syntax; the correct command for SVI IP info is show ip interface brief or show interface vlan 20 if it has an IP.

Concept tested. Viewing VLAN port assignments

Reference. https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12_2_25_se/configuration/guide/scg/swvlan.html

Topics

#VLAN configuration#Cisco show commands#Switch port management

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