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...Objectives describe the basic and hybrid lan physical topologies their uses advantages disadvantages backbone structures that form foundation for most lans simple topology layout of nodes on a network three fundamental shapes bus ring star may create integral to type cabling infrastructure transmission media used single cable connects all without intervening connectivity devices share responsibility getting data from one point another terminators stop signals after reaching end wire prevent signal bounce inexpensive not very scalable difficult troubleshoot fault tolerant continued works well small networks relatively implement easy add it management costs can be high potential congestion with traffic...