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Question:
(a) Show by means of a diagram the Ethernet frame structure and describe the six fields of the Ethernet frame structure.
(b) Explain the operation of the Carrier Sense Multiple Access/Collision Detection (CSMA/CD) contention technique used by Ethernet.
(c) Explain the characteristics of CSMA/CD in terms of:
i. Order of transmission. ii. Length of wait time before transmission takes place. iii. Network saturation. iv. Capture effect.
(d) What is the purpose of the terminator at each end of a bus in a bus topology.
(e) Explain the operation of a Token Ring topology for a LAN. Your answer should include
i. A description of the token passing process. ii. The specific IEEE standard. iii. The problems inherent with a ring topology.
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
Question: (a) Suppose that you are a communication engineer and you have to construct a mobile telephone network with bandwidth W = 4.2 MHz in each link. The data rate is
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Explain how Tracert actually work?
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