What approximate percentage of spam e-mails can a spammer expect positive responses from?

  1. 10 percent
  2. 0.5 percent
  3. 5 percent
  4. 0.1 percent

What percentage of Internet traffic is estimated to be spam?

  1. Less than 10 percent
  2. 10 to 30 percent
  3. 30 to 60 percent
  4. More than 60 percent

HTML e-mail is a security issue because of which of the following?

  1. Most Microsoft Windows applications use Microsoft Internet Explorer ActiveX objects to display HTML; these objects have many security flaws.
  2. Most Windows applications use Internet Explorer COM objects to display HTML; these objects have many security flaws.
  3. Most Windows applications use their own COM objects, and COM objects almost always have security flaws.
  4. Most Windows applications use their own ActiveX objects, and ActiveX objects almost always have security flaws.

What's phishing?

  1. Using a blue box to make free phone calls.
  2. Using a malicious e-mail header to obtain personal information.
  3. Using a fake e-mail to fool the victim into providing personal information to what looks like a legitimate Web site.
  4. Using malware to download personal information from the victim's computer, directly.

What's the following string of text an example of: %77%77%77%2E%63%6E%65%74%?

  1. A binary-encoded obfuscated e-mail
  2. A hex-encoded obfuscated e-mail header
  3. A hex-encoded obfuscated URL
  4. A binary-encoded Web bug

True or False: Spammers can use Web bugs to tell if you forward spam e-mail to someone else?

  1. True
  2. False

What do IFRAMEs allow malicious spammers to achieve?

  1. Retrieval of your personal details.
  2. Access to the Local Security Zone from any HTML e-mail.
  3. Access to the Internet Security Zone from any HTML e-mail.
  4. Access to any COM object or ActiveX control.