WiFi[1],[15] also known as IEEE 802.llb[16], is the preferred technology for wireless local area networking in both
business and home environments. Even though it was designed primarily for private applications, WiFi is also being deployed in public places to create hotspots, where WiFi-capable users can obtain broadband Internet access. Using WiFi, user can connect to internet to get broadband access anywhere in home, office and public places etc., without using wires or cables.