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Network hardware: router, switch, hub and cables

Ed Oliver Inglés 6 fichas

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1RouterA router is a networking device that forwards packets between computer networks.
2SwitchSwitches connect network segments or devices. A switch differ from a hub by transmitting a message only to the device intended instead of all connections.
3HubEach computer is connected top a single port on the hub, meaning you can connect up to 8 computers together. Hubs connect to make a network. A hub transmits to all connections.
4CableThe connection between most LAN networks is done with copper cables, known as UTP (Unshielded twisted pair). It is light and flexible. For longer distance, fibre optic cables ,which use light waves, can carry more signals for their size than copper cables and are cheaper too.
5Network Interface CardNetwork cards are needed if the computer does not have a built-in chip on the motherboard. An NIC allows data packets to travel back and forth between computer and network.
6ServerA computer that holds data to share with other computers.