A city provided a network of Wi-Fi access points at all of the city parks. People would sit on the park picnic tables to use the internet. In one large park, some of the picnic tables were too far from the Wi-Fi access point and students would lose their internet connection. What could the city add to address this problem?
A) An Amplifier
B) A Grapgics Accelerator
C) A CPU
D) An Attenuator