What is a wide-area network (WAN)?

What is a wide-area network (WAN)?

What is a wide-area network (WAN)?

A.
a network that connects client devices wirelessly using radio waves

B.
a network that crosses metropolitan, regional, or national boundaries

C.
a network that is restricted to a single building, a group of buildings, or even a single room

D.
a network that encompasses an entire city or metropolitan area and connects multiple local-area networks (LANs)



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