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Cisy431:Information Systems Security Exam Question Paper

Cisy431:Information Systems Security Exam

Course:Computer Information Systems

Institution: Kenya Methodist University question papers

Exam Year:2010

INSTRUCTIONS
• Answer ALL Questions in Section A and TWO in Section B

Section A

Question 1
Define the following terms (8Marks)
i) System Security
ii) Active Attack
iii) Confidentiality
iv) Cyber terrorism

Question 2
What are the major causes of system vulnerabilities (4Marks)

Question 3
List the various types of cryptographic algorithm and explain why we use the three cryptographic algorithm (6Marks)

Question 4
List the three types of audit (3Marks)

Question 5
Show that KA = KB using Diffie-Hellman Algorithm, use n=7 and g=3. (5Marks)

Question 6
Explain the three basic steps to create an RSA public/private key pair (4Marks)

Question 7
A.There are a number of trust models employed by various cryptographic schemes. briefly d the following trust models (20Marks)
i) Pretty Good Privacy (PGP)
ii) Kerberos
iii) Certificates
Question 8
a) Describe OSI security architecture focus on security attack, mechanism, and services
(10Marks)

b) Describe DES and RSA cryptographic algorithm (10Marks)

Question 9
a) List firewall characteristics (4Marks)

b) Describe two Wireless Network Encryption Techniques (6Marks)

c) Discuss Basic COBIT Principles and explain the benefits of implementing COBIT as a governance framework (10Marks)

Question 10
a) List three classes of Intruders (4Marks)

b) What are the three benefits that can be provided by intrusion detection systems and Intrusion Prevention Systems (6Marks)

c) Discuss the four phases of an audit (10Marks)

Cisy431:Information Systems Security Exam Question Paper

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