Quiz 1- Computer Security Fundamentals (5%)

Questions:

1. Describe differences between passive, active, insider and outsider attacks (10 marks)

2. There are 3 mechanisms that one could use to deal with any security attacks. One of them is a prevention mechanism. Discuss the other two (5 marks)

Quiz 2- Cryptography Tools (5%)

Questions:

1. What are the six components of public key encryption (6 marks)

2. What are block cipher and stream cipher and why block cipher is more common than stream cipher? (4 marks)

please sir/mam, help me urgent