Answer: MAN(Metropolitan Area Network)
Explanation: Metropolitan area network is a network that work for the whole campus or city area. It is the combination of the LAN's(local area network).It covers a bigger area as compared with LANs and they work using the optical fibre cable so, provide the high speed communication. They are usually found in the area covering cities.They are also used for the making of the WAN(wide area network) by combining.