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200-301 · Question #1772

Which command must be configured to enable port security with a manually assigned MAC address of aabb.cc00.1234 for a VoIP handset on VLAN 4?

The correct answer is C. switchport port-security mac-address aabb.cc00.1234. Port security is configured per switchport, not per VLAN. To manually assign a secure MAC address to the interface used by the VoIP handset, you use the interface-level command switchport port-security mac-address aabb.cc00.1234. No VLAN keyword is used in the port-security MAC a

Submitted by carter_n· Mar 5, 2026Security Fundamentals

Question

Which command must be configured to enable port security with a manually assigned MAC address of aabb.cc00.1234 for a VoIP handset on VLAN 4?

Options

  • Aswitchport port-security mac-address sticky
  • Bmac-address-table static aabb.cc00.1234 vlan 4 interface fa0/1
  • Cswitchport port-security mac-address aabb.cc00.1234
  • Dswitchport port-security mac-address aabb.cc00.1234 vlan 4

How the community answered

(35 responses)
  • A
    3% (1)
  • B
    11% (4)
  • C
    77% (27)
  • D
    9% (3)

Explanation

Port security is configured per switchport, not per VLAN. To manually assign a secure MAC address to the interface used by the VoIP handset, you use the interface-level command switchport port-security mac-address aabb.cc00.1234. No VLAN keyword is used in the port-security MAC address command.

Topics

#port security#MAC address#switchport security#VoIP VLAN

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