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19.

If class A inherits from class B, then B is called _______ of A. A is called ________ of B.

A.	Super class, Sub class	B.	Subclass, Super class
C.	Abstract class, Base Class	D.	Child class, Sub Class

20.

If class A inherits from more than one class, ie. A inherits from B1, B2,... is called

A.	Single Inheritance	B.	Multilevel Inheritance
C.	Multiple Inheritance	D.	None of the above

21.

In how many ways is polymorphism achived in C++?

A.	2	B.	3
C.	1	D.	4

22.

The mechanism that binds code and data together and keeps them secure from outside world is known as

A.	Abstraction	B.	Encapsulation
C.	Inheritance	D.	Polymorphism

23.

The process of building new classes from existing one is called ______.

A.	Polymorphism	B.	Structure
C.	Inheritance	D.	Cascading

24.

If a class C is derived from class B, which is derived from class A, all through public inheritance, then a class C member function can access

A.	protected and public data only in C and B.	B.	protected and public data only in C.
C.	private data in A and B.	D.	protected data in A and B.

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