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Networks

A Level
by

Samuel Kwaah

on 2 December 2012

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Transcript of Networks

First of all, a definition for a
network A network is a group of
computers that are able
to communicate with each other :) The basic elements of a network
include: communication devices By Samuel Kwaah Networks But before a computers can be
connected to a network they'll need to have network interface cards! When setting up a network
3 devices can be selected to
connect to the internet Hub Router Switch Hub The beauty of wireless internet Wireless networks allow people to connect to the internet or LAN without wires. network software data transfer media network standards and procedures This is useful for people like Dave cause he can do his work and communicate whilst traveling on a train for example Wait y am i in da air :L Networks can be divided into two types LAN WAN a network where the linked
hardware is confined to a
single office or site & where
all the wires and other devices
needed for the LAN are owned
by the organization a network where hardware
is spread over a wide
geographical area +
where the organization
doesn't own some/all of
equipment used This prepares data for sending over the network
Controls the flow of data Network standards In order for a network to run properly, it has to follow procedures otherwise: network security is at risk the network may run slowly work may be lost actions may annoy users There's a good and bad side to everything, so there'll be a good and bad side to networks! Technical knowledge needed Lack of/no access when server fails Cost Ability to share files,
hardware resources &
software Lower software costs Improved security Easier to back up files Improved communications
Full transcript