Which is a data communication system within a building, plant, or campus, or between nearby buildings?

A. WAN
B. LAN 
C. MAN
D. None of these

🧠 Explanation:

A LAN is a data communication system connecting devices within a building, campus, or nearby buildings. “Network” is a noun; “connects” is a verb. Alternatives like “intranet” exist, but LAN is specific for local connectivity, supporting file sharing, printing, and internet access in confined areas.