The _________ and _________ Block Cipher Modes of Operation Are

question 40

Multiple Choice

the _________ and _________ block cipher modes of operation are used for authentication.

• A)OFB, CtR
• B)ECB, CBC
• C)CFB, OFB
• D)CBC, CFB

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Definitions:

Point Estimate

Single value used to estimate an unknown population parameter.

Population Parameter

A numerical value that represents a characteristic of an entire population, such as its mean or standard deviation.

Standard Error

The standard deviation of the sampling distribution of a statistic, most commonly the mean; it is used to estimate the accuracy of a sample mean compared to the population mean.

Confidence Interval

A range of values, derived from sample statistics, that is believed to contain the true value of a population parameter with a certain level of confidence.