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Internet

A worldwide collection of internet connected networks not owned by any one group of people.

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World Wide Web

Information stored in documents known as web pages stored on web servers connected to the internet.

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Local Area Network

A LAN usually covers a small geographical area and consists of computers and peripheral devices.

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Wide Area Network

A WAN is a collection of computers and networks connected together through such resources as cables, telephone lines satellites and radio waves.

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Client server

In a client server network, the server is a powerful computer that provides service and resources required by clients. A client is a computer that requests services and resources from a server.

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Peer to peer server

Computers connected together that share specified files and folders with other peer computers over a LAN.

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Wireless access point

A wireless transmitter that receives data from a network via its physical connection. The transmitter then converts it into radio waves which are then transmitted.

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Router

A router is designed to route data packets across a wide area network such as the internet. If a packet is destined for a computer in a LAN, it will usually be routed to a switch. A switch is a component of a LAN that knows the MAC address of each in

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Switch

If a packet is destined for a computer in a LAN, it will usually be routed to a switch. A switch is a component of a LAN that knows the MAC address of each individual device connected to it.

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Network interface card

A physical component which can either act wirelessly or have a wired connection using an ethernet cable

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Transmission media

A pathway that carries the information from the sender to the receiver. The standard network cable is refereed to as an Ethernet cable.

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Domain name system

A directory of domain names that are translated into Internet Protocol addresses.

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Hosting

An internet host is a company that is able to store your files and make them available to you or others using internet connected computers.

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Cloud

A method of data storage where data and software is stored on offsite web servers.

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Virtual networks

A subset of computers connected together as part of a larger physical network. A Virtual Private Network can be set up when an employee of a company in a remote location needs to connect to the company's private network.

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