Chapter 5

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D

Which of the following is not true about CAPTCHAs? a. A CAPTCHA is an image containing a series of distorted characters. b. The CAPTCHA text can be read aloud for visually impaired users. c. You have the option of generating a new CAPTCHA. d. CAPTCHAs were developed to verify input is coming from computer programs, not humans.

True

Unusually high drive activity or a slower than normal Internet activity are signs that your computer or mobile device may be a zombie. T/F

True

User IDs are also called user names, log on names, or sign in names. T/F

D

A(n) _____ screen restricts access to a computer or mobile device until a user performs a certain action. a. check b. control c. firewall d. lock

A

Another term for a botnet is _____ army. a. zombie b. ghost c. spy d. vampire

D

Badges, cards, smart cards, and keys are examples of _____ objects. a. carried b. pocket c. wearable d. possessed

True

Encryption is one safeguard against information theft. T/F

False

Passphrases are less secure than passwords. T/F

False

To protect files on your device's hard drive from hackers, turn on file and printer sharing. T/F

A

You recently purchased a new laptop for home. You want to ensure that you are safe from malware. You should make sure to do all of the following EXCEPT: a. always stay connected to the Internet b. be cautious when clicking links in email c. use a firewall d. never click OK in a pop-up spyware window


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