a. How do viruses and worms differ?

7a1.) _____ are full programs.

a. Viruses

b. Worms

c. Both A and B

d. Neither A nor B

7a2.) Which of the following attach themselves to other programs?

a. Viruses

b. Worms

c. Both A and B

d. Neither A nor B

b. How do viruses and worms propagate using social engineering?

7b.) Viruses and worms propagate through _____.

a. social engineering

b. exploiting vulnerabilities

c. Both A and B

d. Neither A nor B

c. Do all worms spread by direct propagation?

7c.) Which of the following sometimes uses direct propagation between computers?

a. Viruses

b. Worms

c. Trojan horses

d. Down-loaders

d. Why is direct propagation especially dangerous?

7d.) Which of the following can spread very rapidly?

a. Directly-propagating viruses

b. Directly-propagating worms

c. Both A and B

d. Neither A nor B

e. What are Trojan horses?

7e.) Malware programs that masquerade as system files are called _____.

a. viruses

b. scripts

c. root malware

d. Trojan horses

f. How do Trojan horses propagate to computers?

7f.) Trojan horses can spread by _____.

a. e-mailing themselves to victim computers

b. directly propagating to victim computers

c. Both A and B

d. Neither A nor B