What is the full form of WLAN?

The correct answer is B. WLAN stands for Wireless Local Area Network. It is a computer network that uses wireless communication to connect devices within a limited area such as a home, office, or school. WLANs are typically used to connect laptops, smartphones, and other mobile devices to the internet.

A is incorrect because wide local area network (WAN) is a network that covers a large geographic area, such as a city or country.

C is incorrect because wireless land access network (WLAN) is a type of WLAN that uses radio waves to connect devices to the internet.

D is incorrect because wireless local area node (WLAN) is a device that connects to a WLAN.