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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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