Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R13 2018 June-July 814AT Information Security Previous Question Paper
R13
Code No: 814AT
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, June/July - 2018
INFORMATION SECURITY
Time: 3 Hours
Max. Marks: 60
Note: This question paper contains two parts A and B.
Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries 8
marks and may have a, b, c as sub questions.
PART - A
5 ? 4 Marks = 20
1.a) What is the need for information security?
[4]
b) Differentiate between block and stream ciphering scheme.
[4]
c)
Explain about hash functions.
[4]
d)
Define the services provided by PGP.
[4]
e) State and explain about Intruders.
[4]
PART - B
5 ? 8 Marks = 40
2.
List and explain in detail about various types of security services.
[8]
OR
3.
With an example explain in detail about mono-alphabetic substitution technique. [8]
4.
Draw a neat diagram, explain the DES algorithm for 64 bit data and 64 bit key size.[8]
OR
5.
Explain the encryption and decryption are performed using RSA algorithm. Using RSA
algorithm generate the cipher text with given data: p=11, q=5,e=3, PT=9.
[8]
6.
Describe in detail about secure hash algorithm (SHA) in detail.
[8]
OR
7.
Illustrate in detail about X.509 authentication service with a neat diagram.
[8]
8.
With a neat diagram explain the architecture of IP Security.
[8]
OR
9.
Describe in detail about various techniques used for key management.
[8]
10.
Explain the different types of firewall and its configurations in detail.
[8]
OR
11.
Explain in detail about Secure Inter-branch Payment Transactions.
[8]
---oo0oo---
This post was last modified on 17 March 2023