Communication Technologies Exam
Questions and Answers Graded A+
EM Spectrum - Correct answer-radio waves, microwaves, infrared, visible light,
ultraviolet, x-rays, gamma rays
Radio Frequency - Correct answer-the wavelength at which radio signals can be
transmitted and received
Cycle - Correct answer-a single oscillation of a waveform
Frequency - Correct answer-number of cycles in a timeframe (Hz)
Wavelength - Correct answer-distance between two cycles
Amplitude - Correct answer-intensity of waveform (max height)
WLAN Characteristics - Correct answer-Transmits signals via RF waves, uses
wired and wireless in Layer 3
Wireless spectrum - Correct answer-the frequency range of electromagnetic waves
used for data and voice communication