T1 Lines

question 83

Multiple Choice

T1 lines:

• A)operate over existing telephone lines to carry voice,data,and video.
• B)operate over coaxial lines to deliver Internet access.
• C)do not provide guaranteed service levels,but simply "best effort."
• D)have up to twenty-four 64-Kbps channels.
• E)are high-speed,leased data lines providing guaranteed service levels.

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Definitions:

Validity

The extent to which a test, measure, or research study accurately represents, measures, or predicts what it is intended to.

Culture

The shared values, norms, beliefs, customs, arts, and social behavior of a particular people or society.

Coefficient Of Determination

A statistical measure, often denoted as R², representing the proportion of variance in the dependent variable predictable from the independent variable(s).

Variance

A statistical measurement of the spread between numbers in a dataset, indicating how much the values differ from the average.