Optical Fiber Cords Use Two Strands ________

question 39

Multiple Choice

Optical fiber cords use two strands ________.

• A) for reliability through redundancy
• B) to form a complete electrical loop
• C) to double the transmission speed
• D) for full-duplex transmission

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Definitions:

Shaded Area

The portion of a graph or diagram overlaid with a color or pattern to denote a particular section or significance.

Shaded Area

This refers to the region that is visually differentiated by a darker shade on a graph or diagram, often used to highlight specific sections.

Z-scores

Z-scores are standardized scores indicating how many standard deviations an element is from the mean.

Standard Normal Distribution

A normal distribution with a mean of zero and a standard deviation of one, used in z-tests of statistical significance.