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COMP2250 Data Communications
Questions:
Instructions
When answering Q1, layout your answer in a readable format and include all relevant working. Your answers to Q2 will require supporting arguments and references that cite your research, since this is a networking unit you should use IEEE referencing style.
Your report should not exceed 10 pages (excluding the bibliography).
As a guide, the submission for Question 1 should not exceed 3 pages, and
The submission for Question 2 should not exceed 5 pages.
In other words, you should try not to exceed 8 pages in total, 10 pages is a hard limit
For all questions in this assignment not only content but also presentation will affect your mark. You will lose marks if there are problems with the presentation, particularly with clarity. This means that your answers to each question should be a coherent statement and that the spelling and grammar of your submission will be taken into account in assessing its presentation.
For full marks, your answers should be well argued, clear, and coherent. The standards of marking described in the unit outline will be applied to this assignment as relevant to the assignment topics. In addition, the following particular standards will be applied in marking this assignment:
Spelling and grammar:
Assignment submissions with multiple more than 4 spelling or grammatical errors will not achieve a grade higher than distinction;
submissions with more than 8 such errors will not achieve a grade higher than credit.
Clarity:
Ambiguous or poorly worded answers will receive a grade no more than a pass for the individual question. Minor issues of clarity will receive a grade no more than credit for the individual question.
Correctness of approach taken and answer obtained:
Incorrect answers with the correct logic or approach will receive no more than a pass for the individual question. Correct answers with incorrect logic or approach will receive no more than pass for the individual question.
Incorrect answers with no explanation of the approach taken or with the incorrect approach will receive a fail grade for the individual
question.
The questions will be marked individually, the marks totaled, and a final grade assigned that is no more than indicated by the total marks, and no more than allowed by the standards specified above and in the unit outline.
Assignment 1, Question 1
You work as a junior network administrator and you have been tasked by the senior network administrator to devise a subnetting scheme for two of the company’s internal networks.
Required information
You answer must include network addresses, broadcast addresses, netmask, and the maximum number of hosts supported per network, both before and after subnetting for each subnetting task
Assignment 1, Question 2
Investigate the application protocol SIP and answer the following questions:
a. Briefly describe the application architecture of SIP. (Your answer should include an explanation of why you think that this application architecture was chosen by the protocol designers)
b. How is payload data represented by SIP?
c. Briefly describe the format and operation of the addressing scheme used by SIP
It is very rare for a single protocol to be able to operate without assistance from other protocols in order provide all the functionality required by an application. These other protocols could be at the same, or different layers of the protocol stack.
d. What other network protocol(s) does SIP rely upon in order to function?
e. What is it that these other protocols provide that is essential for the operation of SIP?
COMP2250 Data Communications
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