a. What is the purpose of a denial-of-service attack?

10a.) DoS attacks attempt to ________.

a. Hack a computer

b. Reduce the availability of a computer

c. Steal information from a computer

d. Delete files on a computer

b. Which programs directly attack the victim in a distributed denial-of-service attack?

10b.) In a DDoS attack, a ________ sends messages directly to the victim.

a. Botmaster

b. Bot

c. Command and control server

d. All of the above

c. What is a collection of compromised computers called?

10c.) Attack programs that can be remotely controlled by an attacker are ________.

a. Bots

b. Sock puppets

c. Both A and B

d. Neither A nor B

d. What is the person who controls them called?

e. To what computer does the attacker send messages directly?

10e.) In distributed D o S attacks, the attacker sends messages directly to ________.

a. Bots

b. The intended victim of the Do S attack

c. A DOS server

d. None of the above

f. What are the implications of the fact that bots can be updated?

10f.) Which of the following can be upgraded after it is installed on a victim computer? 

a. Trojan horses

b. Bots

c. Viruses

d. Worms