By Alvin Tse

 FCC – Federal Communications Commission   IETF – Internet Engineering Task Force   IEEE – Institute Of Electrical and Electronics Engineers   Air Defense   Cisco Systems, Inc.   Wi-Fi Alliance 

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

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

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

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

 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