In C#, Java, and Objective-C, what is the greatest number of subclasses a class can have?

A. Depends on the language
B. 0
C. 1
D. More than 1


Answer: D

Computer Science & Information Technology

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A function object is

A) an instance of a class that has exactly one member function and no member variables. B) an object of a class that has any number of member functions, but no member variables. C) an object of a class that overloads the function call operator (). D) an object that has a member variable that is a pointer to a function. E) None of the above

Computer Science & Information Technology

What are the two methods used to prevent loops in a distance vector routing protocol?

A) Split horizon and hold-down timer B) Split horizon and poison reverse C) Poison reverse and hop count D) Split horizon and hop count

Computer Science & Information Technology

If you attempt to use a local variable outside the function in which it is declared, you receive an error message.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which operator do you use when either of the conditions you combine can be met in order for a row to be included in a result set?

a. OR b. AND c. NOT d. ANY e. ALL

Computer Science & Information Technology