This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
Code No: 843AB
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
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MCA I Semester Examinations, December - 2019
COMPUTER NETWORKS
Time: 3hrs Max.Marks:75
Note: This question contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
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PART - A 5 x 5 Marks = 25
- a) Explain briefly about design issues for layers in computer network. 5
- b) What is bridge? What are the uses of bridges in computer network? 5
- a) What is flooding? Explain it briefly. 5
- b) Write the services of transport layer. 5
- a) What is HTTP protocol? Describe its feature and header. 5
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PART -B 5 x 10 Marks =50
- a) Explain TCP-IP reference model for computer network and compare it with OSI reference model. [10]
OR
- b) Compare PAN, LAN and WAN.
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- a) What are fiber optics media? Explain its advantages and compare with other guided media. [5+5]
- b) Explain about Hamming code with an example.
Give a note on wireless LANs: [5+5]
OR
- a) What is simplex stop and wait protocol? Explain it for error free and noisy channel.[10]
- b) Explain design issues of network layer.
Write about packet fragmentation. [5+5]
OR
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- a) Elaborate congestion avoiding techniques in network layer. [10]
- b) Write the feature TCP protocol.
Explain Connection establishment technique in TCP. [5+5]
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OR
- a) Explain Performance issues of TCP.
Describe Real Time Transport protocol. [5+5]
OR
- b) Describe Session Initiation protocol.
Explain the features of JPEG video compression format. [5+5]
OR
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- Write notes on
a) Cookies b) Role of DNS in computer network. [5+5]
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This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university
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