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