Which of the Following Can Be Used to Secure Data

question 12

Multiple Choice

Which of the following can be used to secure data on disk drives? (Choose all that apply.)

• A) EFS
• B) VPN
• C) IPSec
• D) BitLocker
• E) TrueCrypt

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Definitions:

Sample Variance

A metric indicating the spread or variation in a set of sample data, determined by dividing the sum of the squared differences from the mean by the total number of data points minus one.

Sample Variance

A measurement of the spread between numbers in a data sample, calculated by taking the mean of the squared deviations from the sample mean.

Squared Deviations

The squared differences between each observation and the mean, used in the calculation of variance.

Deviations Squared

The squares of the differences between individual data points and the mean of those points, used in calculating variance.