Tribhuvan University
Bachelor of Science in Computer Science and Information Technology
Semester 7 · TU Board 2082
Course Title: Network Security (CSC416)
Full Marks: 60Pass Marks: 24Time: 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 TWO questions.(2 × 10 = 20)
- 1.10
What is DNSSEC? How it works? Describe the DNS based authentication of named entities.
- 2.10
How local forwarding and remote forwarding is done in SSH? Describe SSH connection protocol with message exchange.
- 3.10
List the applications of IPSec. What kind of parameters used in security association and security association database in IPSec?
- 4.10
Describe different forms of protections used in computer network security.
- 5.10
How mutual and one-way authentication can be done in remote user authentication using asymmetric encryption?
Answer comingAlso asked in Model question
- 6.10
Mention the usages of change cipher spec and alert protocols in TLS.
- 7.10
How four way handshake and group key handshake is done in IEEE 802.11i Phases of Operation?
- 8.10
Differentiate between Temporal Key Integrity Protocol (TKIP), and the Counter Mode-CBC MAC Protocol (CCMP).
- 9.10
Explain the sender policy framework in sender and receiver side.
- 10.10
How can you use intrusion detection system to secure network?
- 11.10
Explain the cloud security risks and countermeasures.
- 12.10
How IoT environments are secured. Explain.
Attempt any EIGHT questions.(8 × 5 = 40)
- 1.10
What is DNSSEC? How it works? Describe the DNS based authentication of named entities.
- 2.10
How local forwarding and remote forwarding is done in SSH? Describe SSH connection protocol with message exchange.
- 3.10
List the applications of IPSec. What kind of parameters used in security association and security association database in IPSec?
- 4.10
Describe different forms of protections used in computer network security.
- 5.10
How mutual and one-way authentication can be done in remote user authentication using asymmetric encryption?
Answer comingAlso asked in Model question
- 6.10
Mention the usages of change cipher spec and alert protocols in TLS.
- 7.10
How four way handshake and group key handshake is done in IEEE 802.11i Phases of Operation?
- 8.10
Differentiate between Temporal Key Integrity Protocol (TKIP), and the Counter Mode-CBC MAC Protocol (CCMP).
- 9.10
Explain the sender policy framework in sender and receiver side.
- 10.10
How can you use intrusion detection system to secure network?
- 11.10
Explain the cloud security risks and countermeasures.
- 12.10
How IoT environments are secured. Explain.
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