assignment 1

assignment 1 - SIT202 Computer Networks Assignment 1 Ruo...

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SIT202 Computer Networks Ruo Hui NIU Assignment 1 ID:600246619 Task 1: Basic concepts of networks (3+1+3+1+3 +3 = 14 marks) 1. Define the following concepts: data rate, error rate, bandwidth, handshaking procedure, queuing delay, distributed application, protocol. Data rate: Error rate: Bandwidth: Handshaking procedure: Queuing delay: Distributed application: Protocol: 2. Compare and contrast connection-oriented service to connectionless service. 3. Suppose that between a sending host and receiving host there are three packet routers. The transmission rates between the sending host and the router, between routers and between the third router and the receiving host are TR1, TR2, TR3 and TR4, respectively. The links between the sending host and router R1; and router R3 and the receiving host are very fast. Other links are very slow. Assuming that the routers use store-and-forward packet switching, the links between R1 and R2, and R2 and R3 are congested (there are queuing delays) what is the total end-to-end delay to
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assignment 1 - SIT202 Computer Networks Assignment 1 Ruo...

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