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    Advantages                                        Disadvantages

                          High speed and low latency                       Limited to a small area

                          Cheaper setup costs                              Risk  of unauthorised  access  if not  properly
                                                                           secured
                          Easy to share files and resources like printers  Network problems may affect all connected
                                                                           devices

                         Metropolitan Area Network (MAN): This network connects two or more local area networks to cover
                         a larger area than a LAN but smaller than a WAN, such as a city or a large campus.

                                                                    Branch B

                                         Branch A
                                                                                           Branch C

                                          Advantages                                        Disadvantages

                          Covers a larger area than LAN                    More complex than LAN
                          High-speed connectivity across buildings         Needs specialised hardware

                          Cost-effective compared to WAN                   Security can be a concern

                         Wide Area Network (WAN): A WAN covers a much larger geographic area than a LAN or
                         MAN. It can span a city, country or even multiple continents, connecting multiple LANs together.
                         The Internet is the largest and most well-known example of a WAN, connecting millions of
                         devices globally.

                       12   Computer Science (V5.0)-VIII

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