Network Security
This course covers the fundamental concepts of network security protocols, wireless security concepts, basics of security in cloud and IoT.
Tribhuvan University
Institute of Science and Technology
2080
Bachelor Level / elective-iii-semester / Science
Computer Science and Information Technology( CSC416 )
Network Security
Full Marks: 60 + 20 + 20
Pass Marks: 24 + 8 + 8
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.
Section A
Attempt any TWO questions.
What is S/MIME? Explain the functional flow of sender signing and encrypting message and receiver decrypting and verifying signature done in simplified S/MIME.
Explain about the features to be considered in mobile device security. What is internet key exchange and how does it work?
What is the gateway security in IoT? Describe the IoT security environment.
Section B
Attempt any EIGHT questions.
Discuss different security standards.
Consider a network communication having users A and B. How mutual authentication between A and B is done using symmetric encryption.
What is identity federation? Discuss the federated identity operation.
Briefly define the parameters that define a TLS session state
How TLS handshake protocol works?
Briefly explain the threats to wireless network.
What is the use of firewall? Differentiate packet filtering firewall from stateful inspection firewall.
Describe the IPSec architecture.
What is use of DNSSEC? Describe the resource records for DNSSEC.