WIRELESS LOCAL AREA NETWORK (WLAN)
Do you like this story?
Wireless local Area Network (WLAN) is a flexible data communications system that can use either infrared or radio frequency technology to transmit and receive information over the air. Here each computer has a radio Modem and Antenna with which it can communicate with other systems. One important advantage of WLAN is the simplicity of its installation.
Installing a wireless LAN system is easy and can eliminate the needs to pull cable through walls and ceilings. WLANs allow greater flexibility and portability than do traditional wired local area networks (LAN). 802.11 was implemented as the first WLAN standard. It is based on radio technology operating in the 2.4 GHz frequency and has a maximum throughput of 1 to 2 Mbps.
Unfortunately, wireless networking is a double-edged sword. WLANs use electromagnetic waves to transmit information, the radio waves can easily penetrate outside the building, it’s a risk that the network can be hacked from the parking lot or the street. So it’s very important to put enough attention on the WLANs security aspects. With wireless networking, there is no physical security. The radio waves that make wireless networking possible are also what make wireless networking so dangerous. An attacker can be anywhere nearby listening to all the traffic from the network. By properly engineering and using your wireless network, we can keep attackers at bay.
Wireless technologies have become increasingly popular in our every day business and personal lives. The wired world of copper and fibre-based networks will continue to be the basics fabric of networks, but WI-FI is a rapidly growing niche. Wireless communication is a great attraction to users who are constantly on the move. Wireless network cards are seen installed on laptop computers rather than on desktop systems because of the inherent mobility that laptops offer. Wireless connectivity in PDA’s and other handheld computing device is also getting popular. In a nutshell wireless technologies are our call to liberation and will undoubtedly continue to grow in popularity and increase performance capabilities .
Download:
This post was written by: Rajendra Prasad
Rajendra Prasad is a professional blogger, web designer and front end web developer. Follow him on Facebook
