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