Networks are made up of both hardware and software. The network hardware provides the physical connections between the network’s various nodes and typically includes:

  • Network Interface Cards (NICs), one for each PC
  • Network devices such as hubs, bridges, routers and switches, that are together responsible for connecting the various segments of a network and for ensuring that packets of information are sent to the intended destination
  • Network cables (sheathed copper wiring like telephone cords) which connect each NIC to the hub or switch.

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