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Information Assurance Name: Spring 2020Final 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 points1.
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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