A User Called the Help Desk to Report That Her

question 42

Multiple Choice

A user called the help desk to report that her mobile device has apps on it that she does not remember installing. Several times throughout the day, she receives alerts in the notification bar from apps she does not recognize asking for permission to download and upload data.
Which of the following is the most likely cause for this behavior?

• A) The mobile device has malware on it.
• B) The company has pushed these apps to the device.
• C) The anti-malware software is detecting and deleting infected apps.
• D) The device is performing an OS update.

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Definitions:

Probability

A measure of the likelihood or chance that a certain event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Uniform Distribution

A type of probability distribution in which all outcomes are equally likely; each variable has the same probability of occurring.

Electronics Test

The process of using test equipment to evaluate the performance, functionality, and quality of electronic devices and components.

Standard Normal

A type of normal distribution with a mean of zero and a standard deviation of one, used as a reference to determine probabilities of a normal random variable.