Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (CSE-IT)- Computer Science Engineering -Information Technology 2020 December 6th Sem 71113 Information Security Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CSE/ IT) (2012 to 2017 E-I (Sem.?6)
INFORMATION SECURITY
Subject Code : BTCS-904
M.Code : 71113
Time : 3 Hrs. Max. Marks : 60
INST RUCT ION TO CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
Define data confidentiality.
2.
What is steganography in information security?
3.
Define substitution techniques.
4.
What is random number generator?
5.
Write a short note on RSA.
6.
Discuss the importance of digital signatures.
7.
Write the purpose of TLS.
8.
Give introduction of IPSec.
9.
What is meant by Kerberos?
10. What is Malicious software in Information Security?
1 | M - 7 1 1 1 3
( S 2 ) - 9 3 7
SECTION-B
11. Explain and draw the network security model.
12. Explain the principle of Diffie Hellman Key Exchange algorithm by taking an example.
13. Discuss the use of Message Authentication Code algorithm to provide message
authentication.
14. What is X. 509 authentication service and what is its purpose?
15. How Secure Electronic Transaction (SET) is used for the security of financial
transactions on the Internet?
SECTIONC
16. Explain the functioning of DES algorithm using the block diagram. Discuss the strength
of DES.
17. Discuss the Web Security issues. Which are the key Web services security requirements?
18. What are Firewalls? Illustrate how they denies the viruses and related threats?
NOTE : Disclosure of identity by writing mobile number or making passing request on any
page of Answer sheet will lead to UMC case against the Student.
2 | M - 7 1 1 1 3
( S 2 ) - 9 3 7
This post was last modified on 13 February 2021