Download JNTUH MCA 3rd Sem R15 2019 December 823AE Computer Networks Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R15 2019 December 823AE Computer Networks Previous Question Paper




R15

Code No: 823AE















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, December - 2019

COMPUTER NETWORKS

Time: 3hrs















Max.Marks:75


Note: This question paper 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

S 10 marks and may have a, b, c as sub questions.



PART - A

















5 ? 5 Marks = 25



1.a) What are the design issues of Data link layer?









[5]

b) Write the uses of bridges.















[5]

c) Define Flooding.

















[5]

d) What is Packet Fragmentation?













[5]

e) List the applications of application layer.











[5]



PART - B















5 ? 10 Marks = 50

2.a)

Explain about Sliding Window Protocols.

b)

Explain about the INTERNET history.











[5+5]

OR

3.

What is TCP/IP Model? Explain the functions and protocols and services of each layer.
Compare it with OSI Model.













[10]


4.

Write a short note on



a) 1-persistent CSMA

b) Non-persistent CSMA

c) P-persistent CSMA [10]

OR

5.a)

Explain about the Standard Ethernet.

b)

Write about learning bridges and spanning tree bridges.







[5+5]


6.a) Explain the count-to-infinity problem.
b)

Describe about the optimality principle.











[5+5]

OR

7.a)

Explain about shortest path algorithm.

b)

What are the network layer design issues?









[5+5]


8.a)

What is Tunneling? Explain in detail.

b)

Explain about the IP Version 6 Protocol.











[5+5]

OR

9.

Explain in detailed about the Transport Layer.









[10]


10.a) Differentiate between FTP and HTTP.
b) Explain about UDP protocols.













[5+5]

OR

11.a) Discuss in detail TCP segment header.
b) Explain about TELNET and SSH.











[5+5]



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This post was last modified on 17 March 2023