Exam Details
| Subject | data communication and computer networks | |
| Paper | paper 9 | |
| Exam / Course | m.c.a | |
| Department | ||
| Organization | Nalanda Open University | |
| Position | ||
| Exam Date | April, 2018 | |
| City, State | bihar, patna |
Question Paper
N A L A N D A O P E N U N I V E R S I T Y
Master of Computer Application Part-I
PAPER-IX
(Data Communication and Computer Networks)
Annual Examination, 2018
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. Define networking. Explain in detail the OSI model of networking?
2. Explain operation of Bridges in different LAN environment? Define broadcasting.
3. Describe various types of transmission modes with an example of each.
4. What happens in congestion avoidance and congestion detection phases of TCP's congestion
control mechanism How does the size of congestion window increase in congestion
avoidance phase?
5. Describe Interior Gateway Routing Protocol. Explain structure of Optical Fiber and also write
its advantages and disadvantages.
6. What is count to infinity problem? Explain through an example.
7. Define Multiplexing. Explain TDM (synchronous and statistical both) in detail with the help of
suitable diagram.
8. Explain different types of routing. Differentiate between Adaptive and Non Adaptive Routing.
9. Explain RSA algorithm with the help of an example. Explain encryption and decryption process
in Triple DES.
10. Write short notes on the following
CRC
Guided and unguided media
ATM networks.
Master of Computer Application Part-I
PAPER-IX
(Data Communication and Computer Networks)
Annual Examination, 2018
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. Define networking. Explain in detail the OSI model of networking?
2. Explain operation of Bridges in different LAN environment? Define broadcasting.
3. Describe various types of transmission modes with an example of each.
4. What happens in congestion avoidance and congestion detection phases of TCP's congestion
control mechanism How does the size of congestion window increase in congestion
avoidance phase?
5. Describe Interior Gateway Routing Protocol. Explain structure of Optical Fiber and also write
its advantages and disadvantages.
6. What is count to infinity problem? Explain through an example.
7. Define Multiplexing. Explain TDM (synchronous and statistical both) in detail with the help of
suitable diagram.
8. Explain different types of routing. Differentiate between Adaptive and Non Adaptive Routing.
9. Explain RSA algorithm with the help of an example. Explain encryption and decryption process
in Triple DES.
10. Write short notes on the following
CRC
Guided and unguided media
ATM networks.
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