Mains

A watermark is a recognizable image or pattern in paper that appears lighter when viewed by transmitted light. Watermarks were first introduced in Bologna, Italy in 1282; they have been used by papermakers to identify their product, and also on postage…

Wired Equivalent Privacy (WEP) is a security protocol specified in the IEEE 802.11 standard to provide the same level of security as the one of a wired LAN. WEP provides security by encrypting data sent wirelessly so that it is protected as it is…