cs3336 final- Savvy Essay Writers | savvyessaywriters.net

Information Assurance Name: Spring 2020

Final Exam

** Any late submission beyond due date and time is considered 0

***For each question, write much as possible in your own words. No short answers

****Total 150 points

1. The Chinese Wall model is a model of security policy. Explain Chinese model step by step with example. Also compare and write difference between Bell-LaPadula and Chinese Wall Model (10 points)

2. Explain clinical information systems step by step with example. Also compare and write difference between Bell-LaPadula and clinical information systems. (10 points)

3. Explain DES by step by step with detail description of each step. (10 points)

4. Explain transposition cipher and substitution cipher. Provide example for each cipher. Explain the difference between two ciphers (15 points)

5. What are session key and interchange key (5 points)

6. From classical cryptographic key exchange and authentication, Explain step by step for Denning/Sacco protocol and Otway-Rees protocol. What are the difference between two protocols (15 points)

7. What is n stage linear feedback shift register? Explain the procedure step by step. (15 points)

8. Explain self-healing property (5 points)

9. Explain two types of dictionary attack with example (20 points)

10. What is password aging? Explain with example (15 points)

11. List and describe methods of using biometrics as authentication methods (15 points)

12. Describe Encrypted key exchange protocol (15 points)

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