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MAN (Metropolitan Area Network)

                  This network consists of  two or more local area networks together that usually spans several
                  buildings in the same city or town.

                                                               MAN







                                 LAN                                                               LAN











                                  LAN
                                                                  LAN                            LAN




                                                        Metropolitan Area Network

                  WAN (Wide Area Network)

                  It is a digital communication system that interconnects a large number of computers in 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







                                                            Wide Area Network


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