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1. What is the difference between Mesh, Bus, Ring and Star topologies? Bus topology advantages are the cable is inexpensive, simple to understand and easily to extend. Bus disadvantages are difficult to troubleshoot, increase network traffic decrease network performance and limited physical length. Star topology is configured in the shape of a star. The advantages of a Star are failure of a computer will not stop the network, easy troubleshooting, easy to add additional computer to the network. Star disadvantages are expensive cable between each computer and if the hub fails the network will stop. Ring topology is in the shape of a ring the advantages of ring are the equal opportunities for all computers to transmit data, simple installation and no degradation of signal. The disadvantages are failure of any node stops the network; distance is limited