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Different computers are connected to a LAN by a cable and

  • A.modem
  • B.interface card
  • C.special wires
  • D.telephone lines

Answer: B

The computers are connected by a cable and an interface card.

Each computer on a LAN has a network interface card (NIC), which has a unique MAC address and converts the computer's data into signals on the cable, such as an Ethernet cable plugged into the card's port.

A modem connects a computer to a telephone or cable line for wide-area access, not to a LAN. Telephone lines are a wide-area medium, and 'special wires' names no actual device.

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