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PAN (Personal Area Network)

                                                       These are privately-owned networks. PAN is used to establish
                                                       communication amongst the computers within the range of

                                                       20 to 30 feet. They can be wired or wireless.





                     Personal Area Network
                  CAN (Campus Area Network)


                  CAN, also known as Cluster Area Network connects two                          Network
                                                                                                  Campus
                                                                                                  Area
                  or more LANs that are limited to specific geographical
                  areas, for example, college campus, office building, etc.
                  A campus area network is larger than LAN since it may
                  span across multiple buildings within a specified area.                   Campus Area Network

                      TOPOLOGY

                  Topology refers to the geometric arrangement of computers or nodes in a network. The
                  factors that determine the type of topology are cost, flexibility and reliability. There are five
                  different types of topologies. Let us learn about them in detail.
                  Bus Topology

                  In  this  topology,  all  the  nodes  are  connected  to  a  single
                  common path. It is simple and easy to maintain. Additional
                  nodes can be connected at any point along its length. But this
                  topology suffers a major disadvantage i.e. fault detection in
                  the topology is very difficult.                                                Bus Topology



                                           Ring Topology
                                           In this topology, all the nodes are connected in a circular path. The

                                           messages travel in clockwise or anticlockwise direction. Any damage to
                                           the cable of any node or device can result in breakdown of the whole
                                           network.

                       Ring Topology
                  Star Topology

                  In this topology, central  node acts as a hub to which all the other

                  nodes are connected. As compared to the bus topology, star topology
                  requires more devices and cables. The addition of a new node to a
                  star topology is difficult as it involves a connection all the way to the
                  central node.
                                                                                                     Star Topology


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