GNVQ ICT - Intermediate

Unit 10 - Networks and Communications

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On this level:

Networks and their uses
Advantages and disadvantages
Managing network files
Network security
Network Services
Standard ways of working

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The technologies involved in computer networks and telephone networks are increasingly overlapping. Computers are being used increasingly to allow one user to communicate with another who may be in the same building or on the other side of the world. The efficient running of an organisation depends on the management of its computer and communication networks.

Linking computers together so that they can communicate with each other creates networks. You must know about the physical components used to create a computer network, including:

You must be able to describe and sketch typical network topologies. These will show the layout of local area networks (LANs) and wide area networks (WANs) that you have used.

You must be able to describe methods other than cabling to connect networks for example microwave and infrared links.

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