problem 1) What are the main principles of security?

problem 2) describe Trojan horse. prepare down the principle behind it.

problem 3) prepare down the difference between substitution cipher and transposition cipher.

problem 4) prepare down the characteristics of a good firewall implementation the characteristics of a good firewall implementation.

problem 5) prepare down difference between LAN and WAN security issues.

problem 6) describe the functions and responsibility of privacy.

problem 7) What do you mean by VPN? Describe its architecture.

problem 8) Describe the different disaster prevention methods.

problem 9) describe the RSA algorithm with a simple ex.

problem 10) What do you mean by IDS? Describe IDS limitations and counter measures.

problem 11) prepare brief notes on the following:

i) RAID

ii) Worms