Two devices on a network negotiate their communication protocols through a process called ___________.

All of the following are true about classes, except:

a. Classes have attributes and behaviors. b. The first class in any C++ program is main. c. An object must be created from a class before it can be used. d. A class’s functions hide from the user the complex tasks they perform.

Which of the following statements declares Salaried as a subclass of PayType?

a. public class Salaried implements PayType b. public class PayType derives Salaried c. public class Salaried extends PayType d. public class Salaried derivedFrom(PayType)