B.Voc. DEGREE EXAMINATION, APRIL 2016
Fourth Semester
Fashion Technology
Core IX — COMPUTER NETWORKS ADMINISTRATION
(2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 2 20)
Answer all questions.
1. Define computer network.
2. What is a token ring?
3. Name two bit-oriented protocols.
4. What are the factors causing congest ion in a network?
5. Define LAN.
6. What are the special features of DNA?
7. What are the different types of security attacks?
8. Define the term 'plain text'.
9. What is the need for network management?
10. What do you mean by authorization?
Sub. Code
4SD4C1
RW-10879
2
Wk 14
Part B 5 25)
Answer all questions.
11. Explain different error control technique.
Or
Explain the phases of circuit switching.
12. Write short notes on HDLC protocol.
Or
Explain application layer components and
functions.
13. Explain the use of a packet-switched network.
Or
Explain the characteristics of a LAN.
14. Explain Data Encryption Standard
algorithm.
Or
Write short notes on Message Authentication Code.
15. Explain different types of networking devices.
Or
Explain about administrative model.
Part C 10 30)
Answer any three questions.
16. Explain in detail about the classification of computer
networks.
17. Explain different adaptive routing algorithms.
RW-10879
3
Wk 14
18. Explain the architecture of LAN with a neat diagram.
19. Explain about the RSA Public-Key encryption algorithm
with an example.
20. Explain in detail about network management protocol.