Discuss the advantages and disadvantages of star topologies

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Reference no: EM131199428 , Length: word count:1200

Task - Provide short answers to the following six questions:

Question 1: Discuss the advantages and disadvantages of star, bus, and mesh physical topologies. Provide real examples of each type.

Question 2: Explain why the OSI model is better than the TCP/IP model. Why hasn't it taken over from the TCP/IP model?

Question 3: Calculate the approximate bit rate and signal level(s) for a 3.5 MHz bandwidth system with a signal to noise ratio of 133.

Question 4: Compare IPv4 and IPv6 private addressing. Discuss address ranges and relative sizes. Why don't the same private addresses in different locations cause conflict on the Internet?

Question 5: According to RFC1939, a POP3 session is one of the following states: closed, authorization, transaction or update. Draw a diagram to show these four states and how POP3 moves between them.

Question 6: What is a Distributed Hash Table (DHT) and how is it used in P2P networks? Briefly explain how a DHT works with an example of a P2P network.

Reference no: EM131199428

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len1199428

9/9/2016 1:34:34 AM

This assessment questions consists of six questions assessing a basic understanding of network & data communication models, next generation IP and application layer paradigm. This assessment questions covers the following learning objectives: explain and define various Internet technologies; analyse and describe the role and importance of Internet technologies in the modern world; and explain how different application layer services such as peer-to-peer and client-server paradigms work in the Internet. Your answers should be clear, concise and to the point. Prepare a single document along with title page and submit it.

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