Exam Details
| Subject | computer networks | |
| Paper | paper 15 | |
| Exam / Course | b.c.a | |
| Department | ||
| Organization | Nalanda Open University | |
| Position | ||
| Exam Date | April, 2017 | |
| City, State | bihar, patna |
Question Paper
Nalanda Open University
Annual Examination 2017
Bachelor in Computer Application Part-III
Paper-XV [Computer Networks
Time: 3.00 Hrs. Full Marks: 80
Answer any Five questions. All questions carry equal marks.
1. What is networking? Why it is important? Discuss different types of networking..
2. What are the devices used at network layer? Describe the functions and congestion
control algorithms of network layer.
3. Discuss the topologies of network layer with diagram. Give examples for each
topologies.
4. Explain the different types of transmission modes with examples.
5. What is multiplexing? Explain different types of multiplexing with examples of each
type.
6. Differentiate between presentation layer and application layer.
7. Why security important in networking? Discuss various network securities.
8. What is ATM? Discuss various layers of ATM? Also discuss the advantages of using
ATM.
9. Explain different protocols of Data Link Layer. How Data Link Layer different from
Transport Layer?
10. Write short notes on:
Hub and Switch
Bandwidth
Error detection
Connection-less service
Annual Examination 2017
Bachelor in Computer Application Part-III
Paper-XV [Computer Networks
Time: 3.00 Hrs. Full Marks: 80
Answer any Five questions. All questions carry equal marks.
1. What is networking? Why it is important? Discuss different types of networking..
2. What are the devices used at network layer? Describe the functions and congestion
control algorithms of network layer.
3. Discuss the topologies of network layer with diagram. Give examples for each
topologies.
4. Explain the different types of transmission modes with examples.
5. What is multiplexing? Explain different types of multiplexing with examples of each
type.
6. Differentiate between presentation layer and application layer.
7. Why security important in networking? Discuss various network securities.
8. What is ATM? Discuss various layers of ATM? Also discuss the advantages of using
ATM.
9. Explain different protocols of Data Link Layer. How Data Link Layer different from
Transport Layer?
10. Write short notes on:
Hub and Switch
Bandwidth
Error detection
Connection-less service
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