Different computers are connected to a LAN bu a cable and a/an
Different computers are connected to a LAN bu a cable and an Interface card
A network interface card (NIC) is a circuit board or card that is installed in a computer so that it can be connected to a network. A network interface card provides the computer with a dedicated, full-time connection to a network.
If you lack access to a network, and need to transfer files or establish a connection between two computers, you can connect the computers to one another using a crossover Ethernet cable. ... You will then have the ability to transfer or share files, and play network games between both computers.
Ethernet interface is used to connect local network to router, PC to switch, switch to switch, switch to router. Ethernet interface uses UTP cable for connection. UTP (Unshielded twisted pair) cable has four pairs of wires twisted inside it.