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    It is a network of two or more computers that use the same type of program to share the data.  Each
                     computer is considered to have equal responsibilities and acts like a server to the other computers in
                     the network. It works well in small environment.

                     Client-Server Network

                     It is a network in which one computer is designated as the server and all the other computers connected
                     on the network are called the clients. The clients can request for the services from the server. The server
                     processes the request and sends back the requested information. This is called the client-server network.

                                                                Internet
                                              Clients

                                                                                                   Server

                          WIRELESS NETWORKING TECHNOLOGY

                     In a wireless networking technology, no wire 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. Two common types of
                     wireless technologies are Wi-Fi and Bluetooth.

                     Wi-Fi

                     Wi–Fi is the most popular wireless communication technology

                     used in homes, private business LANs and public hotspots. A
                     Wi-Fi enabled device such as a PC, video game console, mobile
                     phone 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.

                                                                                                 #Computer Networking  21

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