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Hub - A hub is a device that connects PCs together. If you send something to a hub, it'll send
it to every PC.

Switch - It records the IP and MAC addresses in a table of all the devices connected to it. Sends
stuff back to certain PCs.…

Page 2

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Private network that uses browser type It's a public intranet that can be access by users
software to view content. outside of the organisation by using a

e.g. Customers and Suppliers

Peer to peer Client/Server

Similar computers joined together Has central server

Generally for sharing files, hardware or Server…

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o Standards are needed so that all network devices work in a similar way


Mr A Gibson


A great set of basic notes that you can refer to easily - arranged with some pictures and bullets - ideal revision fodder.

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