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Tribhuvan university > CSIT - 2074 Syllabus > Network Security > Old Questions > 2075
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Network Security 2075

2074 2075 2078
Tribhuwan University
Institute of Science and Technology
2075
Bachelor Level / Seventh Semester / Science
Computer Science and Information Technology ( CSC416 )
( Network Security )
Full Marks: 60
Pass Marks: 24
Time: 3 hours
Candidates are required to give their answers in their own words as far as practicable.
The figures in the margin indicate full marks.

Attempt any Ten questions.

1. What is nonrepudiation of origin? How connection confidentiality differs from connectionless confidentlity?

2+4 marks view

2. What is the role of CRL issuer in public key infrastructure? How revocation request and cross certification functions are executed in PXIX?

6 marks view

3. Assume an open distributed network environment in which users at workstations wish to access services on servers distributed throughout the network. Now discuss how you can use Kerberos protocol for secured service communication between users and servers in the environment.

6 marks view

4. What is the use of identity in network security? Describe the principal elements of an identify management system.

6 marks view

5. Define a conection state in SSL. How Alert Protocol is used to convey SSL-related alerts to the peer entity in SSL connection?

6 marks view

6. Why variable padding length is used in TLS? In SSH, how User Authentication Protocol authenticates clients.

6 marks view

7. Discuss IEEE 802.11i phases of operation?

6 marks view

8. How PGP provides E-mail compatibility feature? What is the use of S/MIME?

6 marks view

9. Explain benefits of using IPsec. How IPSec Protocol processes outbound packets?

6 marks view

10. What is cyber crime? Discuss various kinds of cyber crime attacks.

6 marks view