Friend Functions

1).What is a friend function in C++?

1) A function that can access private and protected members of a class

2) A function declared inside another function

3) A function used for operator overloading

4) None of the above

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2).How is a friend function declared?

1) Using the friend keyword

2) Using the public keyword

3) Using the virtual keyword

4) None of the above

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3).Can a friend function be a member of a class?

1) No

2) Yes

3) Only in derived classes

4) None of the above

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4).Which of the following can be a friend function?

1) A non-member function

2) A member function of another class

3) Both A and B

4) None of the above

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5).What is the purpose of a friend function?

1) To provide controlled access to private data

2) To inherit properties from a base class

3) To override virtual functions

4) None of the above

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6).Can friend functions be inherited?

1) No

2) Yes

3) Only in certain cases

4) None of the above

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7).What is the scope of a friend function?

1) It is not limited to the class

2) It is limited to the class

3) It has global scope

4) None of the above

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8).Can a friend function access the members of multiple classes?

1) Yes

2) No

3) Only if those classes are related

4) None of the above

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9).Which of the following is true about friend functions?

1) They violate encapsulation

2) They increase security

3) They require virtual inheritance

4) None of the above

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10).Can a friend function be overloaded?

1) Yes

2) No

3) Only with operator functions

4) None of the above

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