A coffee shop has hired a technician to install a wireless hot-spot. However, after the hot-spot is enabled, it was noted that there were more cars in the parking lot than customers in the coffee shop. Which of the following will alleviate this problem?

A.
Change the channel on the WAP.

B.
Turn down the signal strength on the WAP.

C.
Turn on WEP-WPA encryption on the WAP.

D.
Change the SSID and turn up the signal strength on the WAP.