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200-901 Practice Question: An engineer wants to verify that a switch port is…

An engineer wants to verify that a switch port is configured as an access port in VLAN 10. Which command provides this information?

⚠ Common exam trap

Cisco often tests the distinction between commands that show operational status (like `show interfaces status`) versus those that show configuration (like `show running-config interface`), leading candidates to pick a command that only shows interface state rather than the actual VLAN assignment and port mode.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

show running-config interface

The `show running-config interface` command displays the current operational configuration of a specific interface, including whether it is configured as an access port and which VLAN it is assigned to. For a switch port in VLAN 10, the output will show `switchport mode access` and `switchport access vlan 10`, directly confirming the desired configuration.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • show running-config interface

    Why this is correct

    This displays the running configuration of the interface, including switchport settings.

  • show interfaces status

    Why it's wrong here

    This shows operational status, not configuration details like VLAN assignment.

  • show ip interface brief

    Why it's wrong here

    This shows IP address and status, not Layer 2 configuration.

  • show vlan brief

    Why it's wrong here

    This shows VLANs and their ports, but not the specific configuration details of an interface.

Visual reference

Switch VLAN 10 Sales (192.168.10.0/24) PC-A PC-B VLAN 20 HR (192.168.20.0/24) PC-C PC-D Router VLANs isolate traffic — inter-VLAN routing requires a Layer 3 device

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Last reviewed: Jun 24, 2026

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