Arizona Drivers Permit Practice Exam Guide

What is attenuation in a digital communication cable?

The increase in signal strength over distance The loss of signal strength as it travels through a medium The interference caused by adjacent cables The speed at which data travels

Correct Answer:

The loss of signal strength as it travels through a medium

Explanation:

Attenuation is the reduction or loss of signal strength (measured in decibels) as the signal propagates down a cable.

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