________ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.
A. Attenuation
B. Distortion
C. Noise
D. Decibel
Answer:D
________ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.
A. Attenuation B. Distortion C. Noise D. Decibel