A network administrator is using the router-on-a-stick model to configure a switch and a router for inter-VLAN routing. What configuration should be made on the switch port that connects to the router?

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Question:
A network administrator is using the router-on-a-stick model to configure a switch and a router for inter-VLAN routing. What configuration should be made on the switch port that connects to the router?

Configure it as a trunk port and allow only untagged traffic.
Configure the port as an access port and a member of VLAN1.
Configure the port as an 802.1q trunk port.
Configure the port as a trunk port and assign it to VLAN1.

Explanation: The port on the switch that connects to the router interface should be configured as a trunk port. Once it becomes a trunk port, it does not belong to any particular VLAN and will forward traffic from various VLANs.

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