lecture24_inf201_fall2010

lecture24_inf201_fall2010 - IINF201 (Fall 2009) Intro. to...

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IINF201 (Fall 2009) Intro. to Info. Technologies Department of Informatics University at Albany – SUNY Whitmore, Fall 2009
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Network Topologies Topologies deal with the physical LAN node connections LANs use 3 major topologies: Bus Star Ring
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Network Topologies Bus Topology A bus network is a physical cable or channel with nodes directly attached to it by taps or connectors, sharing the common cable to channel. The most common bus network is Ethernet.
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Network Topologies Advantages Reliable in small networks Must be terminated Less Expensive Disadvantages Slow Can only span short distances Difficult to troubleshoot Image source: http://upload.wikimedia.org/wikipedia/commons/f/f3/Bus_Topology.png
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Network Topologies Star Topology Star topology uses a single, central point for control and routing to all the other nodes in the network. With the evolution of LAN hubs and concentrators that provide a centralized connecting point the trend is toward this LAN topology.
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This document was uploaded on 02/09/2011.

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lecture24_inf201_fall2010 - IINF201 (Fall 2009) Intro. to...

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