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LANS vs WANS

LANS vs WANS

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LANS vs WANS

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  1. LANS vs WANS 10/17/07

  2. 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

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

  4. 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

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

  6. 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