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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. The major
                  disadvantage of this topology is that fault detection in this 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  anti  clockwise 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

                  Tree Topology

                  In this topology, nodes are connected as branches of a tree where hub acts as a root node.

                  It is very simple in nature as it is easier to add new or remove the faulty nodes. But its major
                  disadvantage is that if the root node fails to operate, the entire network is inoperable.
















                                                              Tree Topology

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