One Means of Forming a MAC Is to Combine a Cryptographic

question 1

True/False

One means of forming a MAC is to combine a cryptographic hash
function in some fashion with a secret key.

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Definitions:

Range

The difference between the highest and lowest scores in a set of data.

Standard Deviation

A measure of the amount of variability or dispersion of a set of data values, indicating how much variation there is from the average (mean).

Range

The difference between the highest and lowest values in a data set.

Score

A numerical expression representing a particular value or quantity, especially as assigned during or after an evaluation or test.