Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R17 2020 November 843AB Computer Networks Previous Question Paper
S OCT 2020
R17
Code No: 843AB
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA III Semester Examinations, October/ November - 2020
COMPUTER NETWORKS
Time: 2 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
----
1.a)
Differentiate between Connection-Oriented Vs Connectionless Service.
b)
Explain briefly about the Twisted-pair Cables.
[7+8]
2.
Draw and explain the functionality of each layer in TCP/IP Reference model.
[15]
3.a)
Illustrate how parity bit can be to detect error in the transmitted frame.
b)
Explain about the working procedure of Slotted ALOHA.
[7+8]
4.
What is the drawback in GO-Back-N sliding window protocol? Explain how it is solved
by Selective Repeat protocol.
[15]
5.a)
Describe in detail about the Hierarchical routing.
b)
Explain how the tunneling of packet is done from one place to another.
[7+8]
6.
Illustrate shortest path routing algorithm with suitable example.
[15]
7.
Draw and explain each field of TCP Segment Header.
[15]
8.a)
What are the typical elements of a User Agent Interface in E-Mail? Explain.
b)
Explain briefly about the Audio Compression.
[7+8]
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This post was last modified on 17 March 2023