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
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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
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
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)
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