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Internet, intranet and extranet

Internet- characteristics

Not the same as world wide web, it's the infrastructure that connects
computers together across the globe
Uses TCP/IP protocols for communicating between devices
It's an open network

Internet- what makes it work

ISP (internet service provider) allows everyday users connectivity through:
Telephone line…

Page 2

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www. - application that is needed is a web browser that can interpret a
HTTP protocol being used for standard web pages. Most browser
applications also allow extensions to be installed within the browser which
allows multi-media content to be viewed.
video and audio streaming- music and films are streamed…

Page 3

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Risk of hacking into intranet due to connection being via intranet connected
PC's

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