Cisy 433:Cryptography And Network Security Question Paper
Cisy 433:Cryptography And Network Security
Course:Computer Science
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
END OF 3''RD ''TRIMESTER 2012 (EVENING) EXAMINATIONS
FACULTY : COMPUTING AND INFORMATICS
DEPARTMENT : COMPUTER SCIENCE AND BUSINESS
INFORMATION
UNIT CODE : CISY 433/BBIT 447
UNIT TITLE : CRYPTOGRAPHY & NETWORK SECURITY
TIME : 2 HOURS
Instructions:
Answer question one in section A and any other two questions in section B.
Question One
Describe the following terms.
(8 marks)
Privacy Threat
Dual Signature
S/MIME
Hash Function
List two instant messaging security threats.
(2 marks)
List various message authentication requirements.
(5 marks)
Describe penetration testing as applied in system security.
(4 marks)
List the main SET participants.
(3 marks)
Describe whirlpool logic
(4 marks)
Describe the VeriSign certificates in relations to certification authority (CA).
(4 marks)
SECTION B
Question Two
Describe content filtering and describe technologies used for content filtering.
(10 marks)
Describe the phases of penetration testing and various types of penetration testing.
(10 marks)
Question Three
Describe four main RFID security challenges and basic RFID protection mechanism.
(10 marks)
You have been hired by company Y to implement a comprehensive security management system. Discuss how to protect mission-critical systems and deploy security management systems.
(10 marks)
Question Four
With one diagram show the message authentication code for authentication and confidentiality.
(5 marks)
Describe the process of creating SET Dual signature.
(15 marks)
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