Which of the Following Statements Is True of Symmetric Encryption

question 36

Multiple Choice

Which of the following statements is true of symmetric encryption?

• A) With symmetric encryption, the same key is used for both encoding and decoding.
• B) Asymmetric encryption is simpler and much faster than symmetric encryption.
• C) With symmetric encryption, encoding and decoding are performed by two different keys.
• D) Public key/private key is a special version of symmetric encryption used on the Internet.

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Definitions:

Total Variation

The sum of squared differences between observed values and their overall mean in a dataset.

Predictor Variable

A variable used in statistical modeling to predict or explain changes in the dependent variable.

Response Variable

A variable that measures the outcome of a study or experiment; it is the effect or result that is influenced by other variables.

Linear Regression

A statistical method that models the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.