Download JNTUH MCA 3rd Sem R17 2020 November 843AB Computer Networks Question Paper

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]







---oo0oo---


This post was last modified on 17 March 2023