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Chapter Profile
                         NETWORK ARCHITECTURE


                  The network architecture defines the overall design of a computer network. There are two types of

                  network architectures.
                  Peer-to-Peer Network

                  It is a network of two or more computers that use the same type

                  of program to share the data. In this architecture, each  computer
                  is considered to have equal responsibilities and can acts like a
                  server to the other computers in the network. It works well in
                  small environment.                                                         Peer-to-Peer Network

                                                      Client-Server Architecture

                              Internet                It is a network in which  one computer is designated as the
                     Clients
                                                      server and all the other computers connected on the network
                                                      are called the clients. The clients can request services from the
                                                      server. This is called the client-server network.
                        Client-Server Network
                         WIRELESS NETWORKING TECHNOLOGY


                  In a wireless networking technology, no wires or physical media is used for connecting computers. It
                  uses electromagnetic waves like infrared, microwave and radio waves for transmission of the data.
                  The choice of the technology depends on the distance and speed of transmission. There are two
                  types of wireless technologies named Wi-Fi and Bluetooth.

                  Wi-Fi
                  Wi–Fi  is  the  most popular wireless communication  technology  used  for  homes,
                  private business LANs and public hotspots. A Wi-Fi enabled device such as a PC,
                  video game console, mobile phones or MP3 player can connect to the Internet when
                  it comes within the range of a wireless network. Wi-Fi allows us to deploy local area
                  networks without wires thus reduces the cost of the network expansion.                      Wi-Fi
                  Bluetooth
                  Bluetooth is a technology that enables wireless communication between a low-power
                  consumption devices within a short range (1 meter, 10 meters, 100 meters). It facilitates
                  communication between different devices when they are within a required range. The
                  latest version of Bluetooth, Bluetooth 5.4 technology provides data transfer speed up to
                  2 Mbps.                                                                                     Bluetooth
                  It provides a way to connect and exchange information between devices such as mobile phones,
                  telephones, laptops, printers, personal computers, Global Positioning Systems (GPS) receivers
                  through 2.4 GHz short range radio frequency bandwidth.
                                 Clickipedia



                      GPS  is  a  satellite-based  navigation  system  which  is  used  to  identify  the  geographical
                      location of an object.





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