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Wide Area Network

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'''WAN''' or '''Wide Area Network''' is a data communications network in which computers, present at the distance of more than half a mile, can be connected.<ref>[http://www.google.com.pk/search?hl=en&biw=1366&bih=667&q=wide+area+network&tbs=dfn:1&tbo=u&sa=X&ei=sVt_TrCvFI7z-gb_np2SDQ&ved=0CC4QkQ4 Google Dictionary]</ref> WAn can consist of several Local Area Networks - [[LAN]]s or Metro Area Networks - [[MAN]]s. The largest WAN in existence is Inetrnet itself.<ref>[http://compnetworking.about.com/cs/lanvlanwan/g/bldef_wan.htm ComputerNetworking at ABoutAbout.com]</ref>
* Sonet
* ATM
<ref>[http://docwiki.cisco.com/wiki/Internetworking_Technology_Handbook#WAN_Technologies CISCO DocWiki]</ref><ref>[http://compnetworking.about.com/cs/lanvlanwan/g/bldef_wan.htm ComputerNetworking at ABoutAbout.com]</ref>
==References==
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