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Question 6- Short Answer Questions 7 Marks Use the access network shown in Figure 1 to answer the questions that follow. Coaxial cable Fiber cable Internet Hundreds of homes Fiber node CMTS Hundreds of homes Fiber node Cable head end Figure 1: Access network (2 Marks) (1 Mark) 6.3 Using Figure 1 as an example, explain fully and clearly why access in this network is asymmetric. (2 Marks) 6.4 Can you explain why only fiber cable is not being used in this network, instead of using it with coaxial cable 6.1 Why is cable Internet access described as a shared broadcast medium? 6.2 Precisely, what is the function of the cable modem termination system (CMTS) as part of the hybrid transmission medium? (2 Marks)