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Published byCathleen Riley Modified over 9 years ago
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COMON NETWORK STRUCTURES BY :Karla Barragán
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STAR topology Star networks are one of the most common computer network topologies. In its simplest form, a star network consists of one central switch, hub or computer, which acts as a conduit to transmit messages.
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The star topology has the form of a star, thats why it Gots its name, in the center it has a switch that sends signal to all the computers conected to it. When a conection is interferenced, it doesn`t affects the other conection.
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BUS topology A bus network uses a multi-drop transmission medium, all node on the network share a common bus and thus share communication. This allows only one device to transmit at a time. A distributed access protocol determines which station is to transmit. Data frames contain source and destination addresses, where each station monitors the bus and copies frames addressed to itself.
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A bus topology connects each computer (nodes) to a single segment trunk (a communication line, typically coax cable, that is referred to as the 'bus'. The signal travels from one end of the bus to the other. A terminator is required at each to absorb the signal so as it does not reflect back across the bus
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Ring topology Also known as a ring network, the ring topology is a type of computer network configuration where each network computer and device are connected to each other forming a large circle (or similar shape). Each packet is sent around the ring until it reaches its final destination. Today, the ring topology is seldom used.
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The ring topology is rarely used in now days. When one conection is Interferenced, all the conection are affected.
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Bibliography: http://homepages.uel.ac.uk/u01167 71/bus_topology.htm http://en.wikipedia.org/wiki/Star_net work http://www.computerhope.com/jar gon/r/ringtopo.htm
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