A network administrator wants to allow communication between hosts that are on different VLANs. What must be configured to achieve this?
Assign the same VLAN ID to all hosts
Use a switch that supports VLAN tagging at Layer 2 only
Enable DHCP on the switch to assign IP addresses
Configure a device that can forward traffic between VLANs at Layer 3
To enable communication between different VLANs, a device capable of routing traffic at Layer 3, such as a router or a Layer 3 switch, must be configured. This device routes packets between VLANs based on their IP addresses. The other options either operate at Layer 2 only or do not provide the necessary routing functionality for interVLAN communication.
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