Need an answer to just 1 question. See attached. Answer has to be like 50 to 100

Need an answer to just 1 question. See attached. Answer has to be like 50 to 100 words.
Three broad classes to multiple access techniques exist which are: channel partitioning random access and taking turns. In general it is assumed that any network would use one of these techniques or the other. However cable Internet access networks utilize all three techniques. Describe how this is done by such networks and explain how the utilization of any of these techniques does not conflict with the utilization of the other two.
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