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With the aid of a diagram explain how CSMA/CD is implemented in a 10BASE T hub network. Why is Ethernet mostly used as a 'best effort' datagram service?
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Answer / haritha perera
In a network, when a signal is transmitted as synchronize method, signal is transmitted as frames. These frames are consisting with stop and start bit. When these frames transfer with these bits, all the signals may get mixed. (Signal jam/collision) To avoid this we can use CSMA/CD (Carrier Sense Multiple Action Collision Detection).
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What happens at every layer of the OSI model when we type "www.google.com" in the browser? This should typically explain everything from a networking point of view at layers 2,3 and 4.
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