Recent Question/Assignment

COIT20261 Network Routing and Switching (Term 1, 2019)
Assignment item —Written Assessment-2
Due date: 11:45pm AEST, Friday, Week 10 ASSESSMENT
Weighting: 25% 2
Objectives
This assessment task requires you to demonstrate your knowledge of routing concepts by completing a number of exercises. You will utilize material learned in the unit and also extend that learning through additional reading.
The assignment is designed to help you to achieve the unit learning outcomes as listed in the unit profile.
Instructions
You must do this assignment on your own – it is not a group assignment.
Type all your answers in the separate ‘Answer Template – Assgt TWO’ doc that you can download from the unit website, and submit only the completed template. Answers that are not typed into the Answer Template may not be marked, or may be returned to you for re-typing and re-submission and late penalties will apply.
You can download the Answer Template – Assgt TWO doc from the Written Assignment 2 assessment link OR from the link in the Unit Documents section.
Where instructed, you must show the steps you took to arrive at your answers. Write your answers in your own words to avoid potential plagiarism and copyright violations.
You must submit the Answer Template in its original Word file (.doc or .docx) format. Do not submit PDF’s or any other type of file without express permission from the Unit Coordinator.
Plagiarism Procedures can be found in the CQUniversity Policies section of the Unit Profile.
Assessment Requirements and Marking Criteria
There are 3 main questions with sub-questions and the requirements are stated for each one. You must answer all questions and sub-questions if any. Marks are indicated and also shown in the Answer Template.
Marking criteria: Your answers will be marked based on technical correctness, completeness, clarity and relevance. Questions that ask you to show your working or calculations or the steps you took to arrive at your answers, may have marks deducted if such information is not provided.
The Assignment Questions begin on the next page.
REMEMBER, USE THE PROVIDED ANSWER TEMPLATE FOR ALL YOUR
ANSWERS. THE ANSWER TEMPLATE IS AVAILABLE FROM THE WEBSITE

COIT20261 Network Routing and Switching (Term 1, 2019)
Assignment item —Written Assessment-2
Question 1 – Routing Table construction (10 marks)
Given the following network diagram (Figure 1), assume that all the networks shown are aware of each other and have fully updated routing tables, and that the Default router’s interface m0 is configured with an IP of 150.3.0.4/16. Construct the routing table for routers R2 and R3.
Figure 1 network diagram

Instructions:
List masks in longest mask order, and in CIDR format only.

COIT20261 Network Routing and Switching (Term 1, 2019) Assignment item —Written Assessment-2
Question 2 – Forwarding process – classless addressing (5 marks)
This question relates to the forwarding process with classless addressing. It requires you to first understand the forwarding process as explained in Forouzan Chapter 6, Section 6.2. Study section 6.2 carefully, and then answer the following questions.
a) Summarize in your own words how the router determines whether the destination network is in its routing table and the steps it takes in order to forward the packet to its next destination. Assume a classless destination address. (1 mark)
b) Refer to Figure 1 network diagram from question 1. Assume that a packet arrives at R4 with a destination address of 150.32.0.17. Show the router’s forwarding process, that is, all the calculations it does to determine where to send the packet, and the router’s decision. Optionally, use a table to organize your data (2 marks).
c) In the same diagram (Figure 1), assume that a packet arrives at R3 with a destination address of 150.32.48.15. Show the router’s forwarding process, that is, all the calculations it does to determine where to send the packet, and the router’s decision. Optionally, use a table to organize your data (2 marks).
Question 3 – Routing and Autonomous Systems (10 marks)
Research and review appropriate materials, including reputable online sources and the textbook, and then answer the following questions in your own words. It is important to show your understanding by using your own words. Proper referencing (use Harvard system) will be expected.
a) Discuss Autonomous Systems. What are they – give an example? How do they relate to BGP? (1 marks)
b) Discuss Inter-domain routing. Your discussion must include the main or the main routing protocols associated with inter-domain routing. (2 marks)
c) Discuss Intra-domain routing. Include in your discussion the main or the main routing protocols associated with intra-domain routing. (2 marks)
d) Take one inter-domain routing protocol and one intra-domain routing protocol as your example and explain the similarities and differences between them. (3 marks)
e) Briefly explain why there are different protocols for inter-domain and intra-domain routing. (2 marks)
Instructions: Answer each question directly and briefly, yet clearly and accurately. Use your own expressions – do not copy whole sentences or paragraphs from other sources or from the textbook – penalties apply.
We need to see that you understood the concepts. Rewards (marks) apply for doing it all properly!

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