filed in CCNA, CCNA Wireless on Mar.10, 2009
A Wireless LAN or WLAN is a wireless local area network, which is the linking of two or more computers without using wires. WLAN utilizes spread-spectrum technology based on radio waves to enable communication between devices in a limited area,
Benefits
Convenience
Mobility
Productivity
Deployment
Expandability
Cost
filed in CCNA, CCNA Wireless, Wireless Lan on Mar.09, 2009
WLAN uses the radio waves at the Physical layers
WLAN use CSMA/CA(collision Avoidance) for Media Access
LAN use CSMA/CD(collision Detection) for Media Access
WLAN use Two way radio (half duplex ) for communication.
WLAN have the following problems
Coverage Probelms
Interference
Noise
To Share bandwidth Access point are used in WLAN instead of Ethernet Hub in LAN
WLANs must meet country specific RF regulation [...]