Question 10: Denial of service attacks occur when an intruder attacks your network in a way that :

a) damages or corrupts your computer system

b) denies you and others access to your network, systems or services

c) a and b

d) none

Question 11: Public-key cryptosystems are designed such that deriving the private key from the public key requiers the attacker to factor a large number, in this case it is computationally infeasible to perform the derivation:

a) true

b) false