A mobile device user has entered her user ID and password to access an online account. The user immediately receives a text message with a unique PIN that must be entered before she is granted access to the account.
Which of the following describes the security method being used?
A. Multifactor authentication
B. Full device encryption
C. Biometric authentication
D. Fingerprint unlock
Answer: A
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Which of the following statements about abstract superclasses is true?
a. abstract superclasses may contain data. b. abstract superclasses may not contain implementations of methods. c. abstract superclasses must declare all methods as abstract. d. abstract superclasses must declare all data members not given values as abstract.
A new feature in Windows 10 that is used to organize open windows into task-specific groups is called
a. Program Manager. b. Virtual Desktops. c. Snap Assist. d. Task View.
When the _______ is enabled (it's off by default in Windows), it records events related to security, such as logon attempts and resource access, both successful and failed attempts.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about formatted output is false?
A. printf outputs to stdout B. The parameter list includes data values to be written C. fprintf outputs to a user-specified stream D. Integer data is formatted as characters when it is written. E. Output terminates when end-of-file is reached