BUGEN 5930 Business, Society & the Planet
Assessment Item 1 IT
January 21, 2018
BUGEN 5930 Business, Society & the Planet
HSH725 Assignment 2 Rubric
January 21, 2018

ITC560 Internet Technologies PG

BUGEN 5930 Business, Society & the Planet

ITC560 Internet Technologies PG

Task

Provide short answers to the following six questions. Your answers should be clear, concise and to the point. Prepare a single document (MS Word or PDF, NOT both) along with title page and submit it online using EASTS.

Question 1: Discuss the advantages and disadvantages of star, bus, and mesh physical topologies. Provide real examples of each type. (5 marks)

Question 2: Explain encapsulation and decapsulation in a five layer TCP/IP protocol suite. How does multiplexing and de-multiplexing differ from encapsulation and decapsulation? (5 Marks)

Question 3: Calculate the approximate bit rate and signal level(s) for a 6.8 MHz bandwidth system with a signal to noise ratio of 132(5 Marks)

Question 4: Explain why the OSI model is better than the TCP/IP model. Why hasn’t it taken over from the TCP/IP model? Discuss the advantages and disadvantages of both models. (5 Marks)

Question 5: What is the total delay (latency) for a frame of size 5 million bits that is being sent on a link with 10 routers each having a queuing time of 3.5 µs and a processing time of 1.8 µs. The length of the link is 1900 km, the speed of light inside the link is 2.2 x 108 m/s, the link has a bandwidth of 8 Mbps. Which component(s) of the total delay is/are dominant? Which one(s) is/are negligible?
(5 Marks)

Question 6: According to RFC1939, a POP3 session is one of the following states: closed, authorization, transaction or update. Draw a diagram and explain to show these four states and how POP3 moves between them. (5 Marks)

Rationale

This assessment consists of six questions assessing a basic understanding of network & data communication models, next generation IP and application layer paradigm. This assessment covers the following learning objectives: define and explain various Internet technologies; describe and analyse the role and importance of Internet technologies in the modern world; and explain how different application layer services such as client-server and peer-to-peer paradigms work in the Internet.

Marking criteria

The following guide will be used while assessing each component of this assessment item. NB All your work must be cited (CSU APA), otherwise up to 100% of marks can be deducted.

HD DI CR PS FL
In depth synthesis of various Internet technologies In depth use of a good range of relevant literature to address the questions. Clearly defines various internet technologies, with evidence of synthesis of own research and prescribed reading in topics. Evidence of using relevant literature to address the questions. Correctly defines various internet technologies with evidence of synthesising some external readings and prescribed reading in topics. Use of some relevant literature to address the questions. Provides a definition of various internet technologies. Mostly cited the prescribed text. Synthesised concepts learned from topic readings. Limited evidence of using relevant literature to address questions. Provides a definition of various internet technologies but little evidence of linkages or connections to topic readings. No clear definition or explanation when addressing questions. Little or no clear information provided.
Evidence of applying own reseach to concepts of the role and importance of Internet technologies in the modern world In depth use of relevant literature to address the questions. Demonstrates a high level of information analysis of the role and importance of internet technologies in the modern world. Evidence of using relevant literature to address the questions. Demonstrate a good level of information analysis of the role and importance of internet technologies in the modern world. Use of some relevant literature to address the questions. Demonstrates analysis of information around the role and importance of internet technologies in the modern world. Limited evidence of using relevant literature to address questions. Provides a description and some information around the importance of internet technologies in the modern world without much analysis. No clear description or analysis provided to address the questions.
Explain different application layer services No errors in the material presented, with an in-depth, clear, well-structured explanation of different application layer services. No errors in the material presented, with clear, well-structured explanation of different application layer services. The material presented was generally clear and well-structured explanation of different application layer services with some omissions. The material was generally presented in a clear manner, however some errors or omission of information impedes understanding of what student is trying to explain in terms of different application layer services. Evidence that the student is unaware of the different application layer services.

Presentation

Your assessment should be submitted in either MS Word or PDF format (PDF usually preserves the formatting, MS Word may not). Please do not submit your assignment in any other format and also do not submit multiple copies of the assessment. Please use A4 page size with Times New Roman / Ariel / Calibri font and use font size 11 or 12. The following should be included as minimum requirements for the assessment.

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