TCP Ports 989 and 990 Are Associated with What Application

question 28

Multiple Choice

TCP Ports 989 and 990 are associated with what application?

• A)SSL/TLS 3.0
• B)SPOP3
• C)SFTP
• D)FTPS

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Definitions:

Standard Error

The standard deviation of the sampling distribution of a statistic, commonly used to measure the precision of the sample mean estimate.

Population Average

The mean of all observations or values in a population.

Standard Error

A statistical measure that describes the accuracy with which a sample represents a population, specifically the variability of the sampling distribution.

Sample Mean

The average of a set of numerical values taken from a subset (sample) of a larger population.