LANS vs WANS 10/17/07. What is a LAN? Local area network Relatively limited in size Computers connected in small areas Same office True peer-to-peer Can.

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Presentation transcript:

LANS vs WANS 10/17/07

What is a LAN? Local area network Relatively limited in size Computers connected in small areas Same office True peer-to-peer Can support limited number of nodes

What is a WLAN? Wireless local area network Uses radio or satellite waves to get signal Security a big issue

What is a WAN? Wide Area Network Uses long-range telecommunication Links across country or continent Bandwidth – amount of data that can be transmitted in a given amount of time

Media used in WANs Wireless Satellite uplinks Specialized cabling T1/T3 telephone lines Fiber-optic cables

Types of WANs Campus Area Network – limited geographic area Metropolitan Area Network – towns and cities Home Area Network – home setups Global Area Network – uses satellites to link networks Storage Area Network – stores large amounts of data

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