B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Sixth Semester
Software
COMPUTER NETWORKS
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. List out any two forms of e-commerce.
2. Write any two examples for connection oriented
Networks.
3. What is chromatic dispersion?
4. Differentiate half duplex and full duplex.
5. What is hamming distance?
6. List out any two collision free protocols.
7. What is multicasting?
8. Write the types of multiplexing applied in transport
layer.
9. What is php?
10. What is substitution cipher?
Sub. Code
4BSO6C3
AFF-4583
2
Ws1
Part B x 5 25)
Answer all questions by choosing either or
11. Explain the connection oriented and connectionless
services.
Or
Discuss about layers in TCP/IP reference model.
12. Write a note on light wave transmission.
Or
Explain packet switching.
13. Write a note on Error detecting codes.
Or
Discuss the types of Ethernet cabling.
14. Explain Hierarctrical Routing.
Or
Give a note on transport service primitives.
15. Describe the architecture of WWW.
Or
Explain DES algorithm.
Part C x 10 30)
Answer any three questions.
16. Write a detailed note on network hard ware.
17. Explain how fiber optics are used for transmission.
AFF-4583
3
Ws1
18. Discuss about Collusion-Free protocols.
19. Explain any four elements of transport protocols.
20. Explain RSA algorithm with an example.
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