Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R15 2018 January 823AE Computer Networks Previous Question Paper
R15
Code No: 823AE
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA III Semester Examinations, January - 2018
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 10
marks and may have a, b, c as sub questions.
PART - A
5 ? 5 Marks = 25
1.a) Write about TCP/IP reference model.
[5]
b) Discuss the internetworking devices Hub, Router and Gateway.
[5]
c)
Explain flooding routing algorithm.
[5]
d)
Explain the use of tunneling.
[5]
e) What is HTTP and explain its request methods?
[5]
PART - B
5 ? 10 Marks = 50
2.
Discuss data link layer design issues.
[10]
OR
3.a)
Explain selective repeat sliding window protocol with an example.
b)
Discuss about Internet standards.
[5+5]
4.a)
Explain frame format of IEEE 802.3 standard Ethernet.
b)
Explain working of CSMA/CD.
[5+5]
OR
5.
Explain various ALOHA protocols.
[10]
6.a)
What is meant by congestion control? How it is implemented in network layer.
b)
Discuss about various congestion control algorithms in detail.
[5+5]
OR
7.
Explain distance vector routing algorithm with example.
[10]
8.
Explain in detail about crash recovery.
[10]
OR
9.a)
Explain IPV6 header format with the help of a neat diagram.
b)
Discuss about RARP.
[5+5]
10.a) Explain TCP connection management.
b) Explain TCP congestion control.
[5+5]
OR
11.a) Explain DNS.
b) What are the services provided by DNS and explain how it works.
[5+5]
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This post was last modified on 17 March 2023