Is an edge location in AWS the same as a region?

A company wants to ensure that a wireless signal from their WAP only sends down one specific corridor. Which of the following can be done to achieve this?

A. Disable the SSID. B. Change the broadcast channel. C. Lower the signal strength. D. Change the antennas.

To by pass implementing all methods in the WindowListener interface, make the window listener a derived class of:

a. WindowEvent b. ActionEvent c. WindowAdapter d. None of the above