次の情報が与えられたとします。 PC A と PC B' の間でパフォーマンスの低下を引き起こすのは次のうちどれですか?
正解:A
Attenuation is the weakening of a signal as it travels long distances and is caused when wave signals travel too far without help. As a cable run gets longer, the attenuation increases, and the signal becomes weaker.