What would you call a program that supposedly did something useful but actually caused problems on your computer?

  1. Trojan horse
  2. File virus
  3. @mm
  4. Backdoor

True or False: It's possible for a virus to disable your antivirus software or prevent it from being installed correctly.

  1. True
  2. False

True or False: If your computer has always started up correctly before, but now it won't, a virus is to blame.

  1. True
  2. False

What's the most important thing you can do to ensure a virus-free computer?

  1. Defragment your hard disk regularly.
  2. Clean your keyboard and mouse regularly.
  3. Run two or more different antivirus software programs simultaneously.
  4. Update your antivirus software regularly.

Suppose you get an email from a friend with an attachment named image.jpg.vbs. What do you do
(Check all that apply.)

  1. Open the attachment.
  2. Delete the email without opening the attachment.
  3. Contact your friend to report that her computer may be infected with a virus.
  4. Forward the attachment to everyone in your address book.