Question 1

The constructor of a derived class cannot directly access the ____________________ member variables of the base class.

Accepted Answer

The answer of The constructor of a derived class cannot...

Question 2

In ____________________ (aggregation), one or more members of a class are objects of another class type.

Accepted Answer

The answer of In ____________________ (aggregation), one or more members...

Question 3

Which of the following is true about a derived class?

Accepted Answer

A)   A derived class can directly access any member variable of the base class.
B)   A derived class can redefine any public member function of the base class.
C)   A derived class can have at most one base class.
D)   A derived class can redefine any member function of the base class.E) A) and B)
F) A) and C)

Question 4

If inheritance is private, all members of the base class, including private members, become private members of the derived class.

Accepted Answer

A) True 
 B)False

Question 5

If the derived class does not override a public member function of the base class, you may specify a call to that public member function by using the name of the function and the appropriate parameter list.

Accepted Answer

A) True 
 B)False

Question 6

Consider the following class definitions:Which of the following dClass constructor definitions is valid in C++?

Accepted Answer

A)   
B)   
C)   
D)   E) C) and D)
F) A) and B)

Question 7

Inheritance is an example of a(n)  ____ relationship.

Accepted Answer

A)   is-a
B)   has-a
C)   handshaking
D)   had-aE) B) and C)
F) A) and D)

Question 8

A call to the base class's constructor is specified in the heading of the definition of a derived class constructor.

Accepted Answer

A) True 
 B)False

Question 9

The constructors of a derived class can (directly) initialize only the (public data) members inherited from the base class of the derived class.

Accepted Answer

A) True 
 B)False

Question 10

A derived class can directly access the protected members of the base class.

Accepted Answer

A) True 
 B)False

Question 11

If inheritance is public, all protected members of the base class are ____________________ members of the derived class.

Accepted Answer

The answer of If inheritance is public, all protected members...

Question 12

C++ provides ____________________ functions as a means to implement polymorphism in an inheritance hierarchy.

Accepted Answer

The answer of C++ provides ____________________ functions as a means...

Question 13

Consider the following class definition:  The class dClass is derived from the class bClass using the ____ type of inheritance.

Accepted Answer

A)   public
B)   private
C)   protected
D)   staticE) A) and B)
F) All of the above

Question 14

OOP implements ____.

Accepted Answer

A)   UML
B)   IPE
C)   EIP
D)   OODE) B) and D)
F) None of the above

Question 15

If the corresponding functions in the base class and the derived class have the same name but different sets of parameters, then this function is ____ in the derived class.

Accepted Answer

A)   reused
B)   redefined
C)   overloaded
D)   overriddenE) C) and D)
F) B) and C)

Question 16

The private members of a base class can be directly accessed by a derived class.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is a valid definition of the derived class bClass?

Accepted Answer

A)   class aclass: public bClass{ //... / / . . . //... };
B)   Class bClass: public aClass{ //... / / . . . //... };
C)   Class aClass: bClass{ //... / /  . . . //... };
D)   class bClass: aClass{ //... / / . . . //... }; E) A) and D)
F) None of the above

Question 18

To ____ a public member function of a base class in the derived class, the corresponding function in the derived class must have the same name, number, and types of parameters.

Accepted Answer

A)   redefine
B)   overload
C)   rename
D)   reuseE) B) and D)
F) C) and D)

Question 19

In multiple inheritance, the derived class has more than one base class.

Accepted Answer

A) True 
 B)False

Question 20

The ____ members of an object form its internal state.

Accepted Answer

A)   private
B)   protected
C)   public
D)   staticE) B) and D)
F) A) and B)

Exam 11: Inheritance and Composition

OOP implements ____.

Correct AnswerverifiedShow Answer

The constructors of a derived class can (directly) initialize only the (public data) members inherited from the base class of the derived class.

Correct AnswerverifiedShow Answer

Consider the following class definition: The class dClass is derived from the class bClass using the ____ type of inheritance.

Correct AnswerverifiedShow Answer

Which of the following is true about a derived class?

Correct AnswerverifiedShow Answer

In multiple inheritance, the derived class has more than one base class.

Correct AnswerverifiedShow Answer

C++ provides ____________________ functions as a means to implement polymorphism in an inheritance hierarchy.

Correct AnswerverifiedShow Answer

Which of the following is a valid definition of the derived class bClass?

Correct AnswerverifiedShow Answer

If inheritance is private, all members of the base class, including private members, become private members of the derived class.

Correct AnswerverifiedShow Answer

Consider the following class definitions:Which of the following dClass constructor definitions is valid in C++?

Correct AnswerverifiedShow Answer

To ____ a public member function of a base class in the derived class, the corresponding function in the derived class must have the same name, number, and types of parameters.

Correct AnswerverifiedShow Answer

If inheritance is public, all protected members of the base class are ____________________ members of the derived class.

Correct AnswerverifiedShow Answer

The private members of a base class can be directly accessed by a derived class.

Correct AnswerverifiedShow Answer

The constructor of a derived class cannot directly access the ____________________ member variables of the base class.

Correct AnswerverifiedShow Answer

The ____ members of an object form its internal state.

Correct AnswerverifiedShow Answer

Inheritance is an example of a(n) ____ relationship.

Correct AnswerverifiedShow Answer

In ____________________ (aggregation), one or more members of a class are objects of another class type.

Correct AnswerverifiedShow Answer

A call to the base class's constructor is specified in the heading of the definition of a derived class constructor.

Correct AnswerverifiedShow Answer

If the derived class does not override a public member function of the base class, you may specify a call to that public member function by using the name of the function and the appropriate parameter list.

Correct AnswerverifiedShow Answer

A derived class can directly access the protected members of the base class.

Correct AnswerverifiedShow Answer

If the corresponding functions in the base class and the derived class have the same name but different sets of parameters, then this function is ____ in the derived class.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified