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By Alvin Tse.  FCC – Federal Communications Commission   IETF – Internet Engineering Task Force   IEEE –

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Presentation on theme: "By Alvin Tse.  FCC – Federal Communications Commission   IETF – Internet Engineering Task Force   IEEE –"— Presentation transcript:

1 By Alvin Tse

2  FCC – Federal Communications Commission  http://www.fcc.gov/  IETF – Internet Engineering Task Force  http://www.ietf.org/  IEEE – Institute Of Electrical and Electronics Engineers  http://www.ieee.org/portal/site  Air Defense  http://www.airdefense.net/  Cisco Systems, Inc.  http://www.cisco.com/  Wi-Fi Alliance  http://www.wi-fi.org/

3  Benefits  Mobility  Reduced Costs  Flexible  Distance  Drawbacks  Dead Spots  Interference  Interoperability  Security

4  IEEE – 802.11  802.112.4GHz2Mbps  802.11b2.4GHz11Mbps  802.11g2.4GHz54Mbps  802.11a5.0GHz54Mbps  802.11n5.0 & 2.4 GHz144Mbps

5  Site To Site / Point to Point  Point to Multipoint / Hub and Spoke  Last Mile  Wireless Internet Service Provider (WISP)

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9  Access Points  Root Mode  Bridge Mode  Repeater Mode  Antennas  Omni Directional / Dipole  Semi Directional  Highly Directional

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21  WEP – Wired Equivalent Privacy  WPA – Wi-Fi Protected Access  Broadcast SSID off  MAC Filtering  Redirecting Packets  Authentication  EAP (Extensible Authentication Protocol)  LEAP (Lightweight Extensible Authentication Protocol)  PEAP (Protected Extensible Authentication Protocol)  RADIUS (Remote Authentication Dial In User Service)  VPN

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