Jack Has Not Logged in to His E-Mail Account for a Couple

question 14

Multiple Choice

Jack has not logged in to his e-mail account for a couple of weeks. Now, after entering his name and password, he receives an error message indicating that the username or password is invalid. What can he infer from this error message?

• A)The physical layer is working.
• B)Username and password are correct.
• C)The network is suffering from traffic congestion.
• D)The central router is down.

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Definitions:

Adjusted Coefficient

A statistical measure corrected for the number of predictors in a model to better assess the goodness-of-fit.

Explanatory Variable

A variable in a statistical model that is used to explain variations in the dependent variable.

Error Sum Of Squares

A measure in statistics of the discrepancy between the data and an estimation model.

Standard Error

A measure of the accuracy with which a sample distribution represents a population by quantifying the variability of the sampling distribution.