Qualcomm C++ Quiz-1

Question 1

Time: 00:00:00
When a method in a subclass has the same name and type signatures as a method in the superclass, then the method in the subclass _____ the method in the super class.

Overloads

Overloads

Friendships

Friendships

Inherits

Inherits

Overrides

Overrides

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Question 2

Time: 00:00:00
The mechanism that binds code and data together and keeps them secure from outside world is known as

Abstraction

Abstraction

Encapsulation

Encapsulation

Inheritance

Inheritance

Polymorphism

Polymorphism

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Question 3

Time: 00:00:00
The parameter list in function overloading must differ by?

Number of functions

Number of functions

Function Size

Function Size

Function Name

Function Name

Number of argument

Number of argument

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Question 4

Time: 00:00:00
In how many ways is polymorphism achived in C++?

2

2

3

3

1

1

4

4

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Question 5

Time: 00:00:00
A __________ is a special method used to initialize the instance variable of a class.

Member function

Member function

Destructor

Destructor

Constructor

Constructor

Structure

Structure

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Question 6

Time: 00:00:00
The goal of operator overloading is __________.

To help the user of a class

To help the user of a class

To help the developer of a class

To help the developer of a class

To help define friend function

To help define friend function

None of the above

None of the above

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Question 7

Time: 00:00:00
Global Variables can be accessed?

Anywhere in the code except inside functions. After its declaration.

Anywhere in the code except inside functions. After its declaration.

Anywhere in the code, even inside functions. After its declaration.

Anywhere in the code, even inside functions. After its declaration.

Nowhere in the code

Nowhere in the code

None of the above

None of the above

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Question 8

Time: 00:00:00
If class A inherits from more than one class, ie. A inherits from B1, B2,... is called

Single Inheritance

Single Inheritance

Multilevel Inheritance

Multilevel Inheritance

Multiple Inheritance

Multiple Inheritance

None of the above

None of the above

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Question 9

Time: 00:00:00
________ is the mechanism which allows a class A to inherit properties of a class B.

Data abstraction

Data abstraction

Encapsulation

Encapsulation

Inheritance

Inheritance

Polymorphism

Polymorphism

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Question 10

Time: 00:00:00
Which of the following statements is correct?

First time method of a class is called, the constructor method is called.

First time method of a class is called, the constructor method is called.

Every time method of a class is called, the constructor method is called.

Every time method of a class is called, the constructor method is called.

Every time an instance of a class is created, the constructor method is called.

Every time an instance of a class is created, the constructor method is called.

None of the above

None of the above

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["0","40","60","80","100"]
["Need more practice! \r\n","Keep trying! \r\n","Not bad! \r\n","Good work! \r\n","Perfect! \r\n"]
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June 24, 2019