The default macro setting is disable all macros with ________

Which of the following are correct?

a. A constructor must be declared for each class. b. A constructor must be declared with a return type c. A default constructor can only be provided by the compiler. d. A class can have only one default constructor. e. A class can have only one constructor.

Which measurement indicates how narrow or wide a transmission is?

A. Fresnel zone B. Azimuth C. beamwidth D. elevation chart