Download JNTUH MCA 3rd Sem R17 2022 March-April 843AB Marchapril Computer Networks Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R17 2022 March-April 843AB Marchapril Computer Networks Previous Question Paper


R17

Code No:843AB















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, March/April - 2022

COMPUTER NETWORKS

Time: 3 Hours















Max.Marks:75

Answer any five questions

All questions carry equal marks

- - -


1.

Differentiate between the OSI & TCP/IP models.







[15]





2.

Illustrate different types of transmission media, highlight their merits and demerits.[15]


3.a)

Compare various sliding window protocols of data link layer.

b)

What is slotted ALOHA? Mention its advantages and disadvantages.



[7+8]


4.

What is CSMA? Differentiate between 1-persistent, non-persistent and p-persistent CSMA.






















[15]


5.

Compare and contrast link-state and distance-Vector routing algorithms.

[15]



6.

What is DNS? What are the services provided by DNS and explain how it works?[15]


7.a)

What are the services provided by transport layer to the upper layers?

b)

Compare TCP and UDP protocols.











[8+7]



8.a)

What is an electronic mail? Describe in brief about sending and receiving e-mail.

b)

Explain the significance of HTTP in WWW.









[8+7]



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This post was last modified on 17 March 2023