Concept:WAN is the acronym for a type of computer network that covers a large geographical area.
Explanation:WAN stands for Wide Area Network.
It connects multiple smaller networks, such as Local Area Networks (LANs), across cities, countries, or continents.
A WAN allows computers in different locations to communicate and share data.
The Internet is the largest example of a WAN.
Among the options, the correct expansion is "Wide area network." This matches the true meaning of the acronym.
The other options are incorrect because they do not represent standard networking terminology.
Answer:B. Wide area network