Download JNTUH MCA 3rd Sem R15 2018 January 823AE Computer Networks Question Paper

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