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Metropolitan Area Network (MAN)

              MAN consists of  two or more local area networks or campus area networks that usually spans several
              buildings in the same city or town.










                                 LAN                                                            LAN










                                   LAN                        LAN                             LAN





              Wide Area Network (WAN)

              WAN is a digital communication system that interconnects a large number of computers over a wide
              geographical area. This network may operate on a worldwide or nationwide basis. In such type of
              network, there may not be physical connection between computers. In WAN, telephone lines, microwave,
              satellite links, etc., can be used as transmission medium.









                                               LAN                              LAN















                                                                LAN















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