VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?

Question:
VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?

• The command is rejected.
• The port turns amber.
• The command is accepted and the respective VLAN is added to vlan.dat.
• The command is accepted and you must configure the VLAN manually.

Explanation: The “switchport access vlan 3″will put that interface as belonging to VLAN 3 while also updated the VLAN database automatically to include VLAN 3.

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