QuestionQ1379

Network Access

Refer to the exhibit.

Which command must be configured on Gi1/1 of SW1 so that it passively becomes a trunk port if Gi1/1 on SW2 is set to desirable or trunk mode?

Question Image

  • A switchport mode dynamic auto
  • B switchport mode dot1-tunnel
  • C switchport mode dynamic desirable
  • D switchport mode trunk
Explanation

On Cisco switches, dynamic auto places an interface in a passive DTP state: it does not actively request trunking, but it will become a trunk when the neighboring port is configured as trunk or dynamic desirable. By contrast, dynamic desirable actively negotiates, trunk forces trunking, and dot1-tunnel is for QinQ tunneling rather than normal trunk negotiation.

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