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What is a Wireless LAN?

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A wireless local area network (WLAN or wireless LAN) consists of two or more computers that communicate wirelessly via radio waves. This is contrasted to a wired LAN, in which each computer in the network is physically tethered with an Ethernet cable to the server's network switch or hub.

 

 

The basic structure of all networks consists of a main computer or server, along with connected machines known as clients. The server typically has two Ethernet network interface cards (NICs) installed and software that can support the network. Microsoft Windows operating systems have featured built-in networking capability since Windows 98 Special Edition (SE), but third party networking software is also available. In the case of a simple home wireless LAN, a desktop might be the server while a laptop could be the client.

 

 

Let's assume that the desktop has a digital subscriber line (DSL) connection -- high-speed Internet service. In order to share the Internet connection via a wireless LAN, the desktop will be physically connected to a wireless DSL modem. The wireless DSL modem might also have a built-in network switch or router. These two devices keep data flowing to the proper machine on the network. If they are not built into the modem, they will have to be purchased separately.

 
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Article details
Article ID: 10
Category: Wireless Networking
Date added: 29-Nov-2013 12:45am
Views: 419
Rating (Votes): Article rated 3.3/5.0 (63)

 
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