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:2015
KENYA METHODIST UNIVERSITY
END OF 1''st ''TRIMESTER 2015 (FT) EXAMINATION
FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE
UNIT CODE : CISY 433/BBIT 447
UNIT TITLE : CRYPTOGRAPHY & NETWORK SECURITY
TIME : 2 HOURS
SECTION A:
Answer all questions in this Section
Question One
Define the following terms.
(6 marks)
Dual signature
S/MIME
Data privacy
What are the main security threats in peer to peer data sharing?
(2 marks)
Explain four message authentication requirements.
(4 marks)
List SET participants.
(3 marks)
Describe whirlpool logic
(4 marks)
Describe three contents of certificates.
(4 marks)
Explain the steps of creating RSA public Private key pair
(3 marks)
Explain the importance of penetration testing.
(4 marks)
SECTION B:
Answer only two questions in this Section
Question Two
Describe the IPSEC and SSL security mechanisms.
(5 marks)
Describe the phases of penetration testing.
(10 marks)
Explain how firewall is used in content filtering.
(5 marks)
Question Three
Describe how DES creates a cipher text using a diagram.
(10 marks)
Describe the risk in RFID and how to protect from attacks.
(5 marks)
Explain the process of deploying security management systems
(5 marks)
Question Four
Explain the procedure of creating SET dual signature.
(8 marks)
Describe the contents of certificates.
(6 marks)
Explain how encipharmat and hush values are used for authentication.
(6 marks)
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