INFORMATION SECURITY

INFORMATION SECURITY

YOUR ANSWERS MUST BE IN YOUR OWN WORDS!

YOU ARE NOT ALLOWED TO COPY FROM THE TEXTBOOK, THE INTERNET OR ANY OTHER SOURCE. THEY MUST BE IN YOUR OWN WORDS!!

1.                  This question is based on material from chapter 6.

a)  Discuss firewalls and explicitly explain the different ways firewalls are categorized. For each category, discuss the different methods firewalls can be defined. (15 points)

b)   Which firewall would you choose to use at XYZ UNIVERSITY? Explain why. (15 points)

2.                   This question can be answered from chapter 8.

a)  Discuss and explain the following ciphers: substitution cipher, transposition cipher, exclusive or vernam cipher and Book or running key cipher. (20 points)

b)  Which cipher would you recommend using at XYZ UNIVERSITY? Explain why. (15 points)

3.                  Part A.  This question can be answered from chapter 10. Discuss the various conversion strategies that one can implement to create a new system from an existing one.(20 points)

Part B Suppose the first project was developed in the United States and the conversion is to take place in a different country with a different culture. Explain how and if your choice of conversion strategies are affected by differences in culture.

(15 points)