Bus networks are usually based in a single room and look like such: _ _ _ Computers :-----------------: actual cable line and terminators (cables would goto the PCs) _ _ _ more PCs The medium is a coax cable (looks like tv cable) and requires terminators on both ends of the cable for stopping the resonence of the signal. All pcs are directly hooked into the coax cable and any break in the cable will result in complete network failure. Average speed was 10Mbps The computers required special network cards capable of hooking up to the coax cable, often refered to as a BNC connector.
Bus
The common network of bus topology is a network where clients are connected through cables called a bus. You can learn more about this at the Wikipedia. Once on the website, type "Bus network" into the search field at the top of the page and press enter to bring up the information.
i will answer the question
Start with your basic bus topology, where you have a beginning and an end of the network with however many nodes connected in series between. Now, add an identical bus network, except this time start from the other bus network's end and end at this other network's beginning. That's a dual bus topology. This simply provides a single, fail-safe mechanism to the normal bus topology.
Bus Topology.
bus network
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Bus topology as many nodes are connected to single link
Bus Network Topology.
terminator
bus topology