Computing Topology Revision

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GCSE Computing Topology Revision
Tom Short
Flashcards by Tom Short, updated more than 1 year ago
Tom Short
Created by Tom Short over 7 years ago
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Question Answer
What is a topology? A topology refers to the layout of the network components: the cabling and position of the nodes.
What is bus topology? The computers and other devices are attached at each end to present reflection of signals
What are the advantages of bus topology? Easy to set up Cheap
What are the disadvantages of bus topology? Problems with the back bone can bring the whole network down Limited distance can be covered Many data collisions slow the network down
What is star topology? Client machines are connected to a central switch or hub which is usually in turn connected to one or more servers
What are the advantages of star topology? Robust Fewer data collisions (faster)
What are the disadvantages of star topology? More expertise needed to maintain Can be expensive to set up
What is ring topology? Data passes through each node, carried in units called tokens. Traffic is one way so prevents collision
What the advantages of ring topology? Very fast (no collisions)
What are the disadvantages of ring topology? Problems with backbone bring the whole network down Data passes through every node making it very vulnerable to malfunction
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