Question 2 (30%) Two common types of access network are DSL network and cable network. While...
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Question 2 (30%) Two common types of access network are DSL network and cable network. While DSL network provides dedicated line connecting each home to the central office, such connection is shared among multiple homes in cable network. (a) In both DSL network and cable network, the downstream transmission rate is much higher than the upstream transmission rate. Explain why it is the case. (10 marks) Question 2 (30%) Two common types of access network are DSL network and cable network. While DSL network provides dedicated line connecting each home to the central office, such connection is shared among multiple homes in cable network. (a) In both DSL network and cable network, the downstream transmission rate is much higher than the upstream transmission rate. Explain why it is the case. (10 marks)
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