Answer:
Attenuation is the one-word answer which is the correct answer for the above question.
Explanation:
Attenuation is a concept which told about the barrier, which is used to stop the signals in the connected network systems. Attenuation can be a form of any type of barrier like weak signals, or because of long-distance.
Following are the example which is in the form of attenuation--
Hence the attenuation can be formed by any of the barriers of signals, like physical obstruction, longer distance, and radio inference.