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Let’s BaCk-uP

                       The computer network means the system of interconnected computers.
                        The components needed for a network are Network Interface Card, hub or a switch, router,
                       modem, networking cable and gateway.
                         The different types of networks are PAN, CAN, LAN, MAN and WAN.
                         Various types of topologies used in a network are bus, star, tree, ring and mesh.

                         There are two types of computer network architectures—peer-to-peer network and client-
                       server network.
                         In a wireless  networking  technology,  no  wires  or  physical  media  is  used  for connecting
                       computers.
                        Protocol is a set of rules that governs the communication between the computers over a
                       network.



























































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