COIT12206 TCP/IP Principles & Protocols

Assessment 2

Term 1, 2016

COIT12206 TCP/IP Principles and Protocols (Term 1, 2016)

Assessment item 2— Written Assessment
Due date:

11:00pm AEST, Friday, 20nd May, 2016

Weighting:

20%

ASSESSMENT
2

Instructions
Please write your answers to all questions in the ‘TEMPLATE FOR YOUR
ANSWERS_Assignment 2.docx’ document and upload only the template with answers.
Please note that you may provide only the final answer in computational questions. However, if the answer incorrect (even a typo error), you will receive zero marks. Hence, it is better that you show all your working and steps in your calculations.
Please ensure that you write your answers in your own words to avoid possible plagiarism and copyright violation. You can understand the Plagiarism Procedures by following the corresponding link in the CQUniversity Policies section of the Course Profile.

Question 1 (9 marks)
Given the following network in Figure 1, construct the routing table of router R1:

Rest of the
Internet

m1
Default Router

R4

m0
160.20.0.1/18

R3

150.3.0.1/16

160.20.0.0/18 m1 150.3.0.2/16
150.3.0.0/16

m0

m1

R2
140.20.0.1/22

140.20.0.0/22

m0

150.3.0.3/16 m1 200.10.50.1/24
200.10.50.0/24

m0

m2
R1

210.10.40.1/24
210.10.40.0/24

Figure 1: Network to be used in question 1

Ass2-COIT12206-T1, 2016

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COIT12206 TCP/IP Principles & Protocols

Assessment 2

Term 1, 2016

Question 2: (4 marks)
Consider the following UDP header dump:
BB400015003AFF10
a)
b)
c)
d)
e)

Identify the source port number. (0.5 marks)
Identify the destination port number. (0.5 marks)
What is the length of the data? (1 mark)
Is it a packet from the client to the server or vice versa? (1 mark)
What is the client process? (1 mark)

Question 3 (5 marks)
Given the following IPv6 addresses in hexadecimal colon notation, answer the following questions. Where applicable provide your answers in fully expanded hexadecimal colon notation. a) What is the full (expanded) address of the abbreviated IPv6 address FDEC::CF:0:FFFF?
(1 mark)
b) What is the type of block of the abbreviated IPv6 address
2001:A100:FC1::A4B8:AE12:3217:FCBA?

(2 marks)

c) What is the type of address of the abbreviated IPv6 address 0::FFFF:194.42.12.7?
(2 marks)

Question 4: (2 marks)
With reference to Domain Name System,
a) What is partially qualified domain name (PDQN), and what assumption is made by a DNS resolver when processing it?
(1 marks)
b) Explain the difference between a DNS resolver and a DNS root server.
(1 marks)

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Ass2-COIT12206-T1, 2016

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