COP4521 Homework 7

Name:                         FSU login:

1. (10 points) What are the objectives of computer security?


2. (10 points) Explain the terms:
confidentiality, integrity, availability, authenticity, and accountability.

3. (20 points) What is attack surface? Why is it important?

4. (20 points) Explain how Feistel encryption works, what are the types of
basic operations used for transforming plaintext to ciphertext in Feistel
encryption? 

5. (20 points) What are the differences and similarity between viruses and
worms?

6. (20 points) What are the types of firewalls? If FSU wants block all traffic
from the university to http://www.amazon.com/. Which type of firewall
should be used?