Typically,a Help-Desk Information System Has Answers to Questions That Only

question 9

Multiple Choice

Typically,a help-desk information system has answers to questions that only a true user would know,such as the user's birthplace,mother's maiden name,or last four digits of an important account number.This information ________.

• A)allows help-desk representatives to create new passwords for users
• B)reduces the strength of the security system
• C)protects the anonymity of a user
• D)helps authenticate a user

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Definitions:

Probability

The quantification of the chance that an event will happen, expressed as a number ranging from 0 to 1.

Random Variable

A Random Variable is a variable whose possible values are numerical outcomes of a random phenomenon.

Normal Curve

A symmetrical, bell-shaped distribution where most occurrences take place around the mean and probabilities for values taper off as they move away from the mean.

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean, used to quantify the amount of variation.