Glossary
Wi-Fi Protected Access (WPA)
The
Wide Area Network (WAN)
A WAN consists of multiple LANs that are tied together via telephone services and/ or fiberoptic cabling. WANs may span a city, a state, a country, or even the world.
Wired Equivalent Privacy (WEP)
Now widely recognized as flawed, WEP is a data encryption method used to protect the transmission between 802.11 wireless clients and APs. However, it uses the same key among all communicating devices. WEP’s problems are
Wireless LAN (WLAN)
A wireless LAN does not use cable to transmit signals, but rather uses radio or infrared to transmit packets through the air. Radio Frequency (RF) and infrared are
commonly used types of wireless transmission. Most wireless LANs use spread 35 spectrum technology. It offers limited bandwidth, usually under 11Mbps, and users share the bandwidth with other devices in the spectrum; however, users can oper-
ate a spread spectrum device without licensing from.