Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Chapter: 1
Q1:
What does object-oriented programming focus on in the real world?
A. Functions
B. Objects
C. Classes
D. Algorithms
Correct Answer:
B
Chapter: 1
Q2:
What are the key characteristics of an object in OOP?
A. State and behavior
B. Functions and attributes
C. Variables and functions
D. Name and type
Correct Answer:
A
Chapter: 1
Q3:
What does the term 'model' refer to in software development?
A. Implementation phase
B. Testing phase
C. Design representation
D. Real-world object
Correct Answer:
C
Chapter: 1
Q4:
What is the primary advantage of using modeling in software development?
A. Increased code complexity
B. Easier communication
C. Faster execution
D. Better database management
Correct Answer:
B
Chapter: 1
Q5:
Abstraction in programming helps to:
A. Increase complexity
B. Reduce complexity
C. Hide essential details
D. Make code harder to maintain
Correct Answer:
B
Chapter: 1
Q6:
Which of the following is an example of an abstract class?
A. A class with only specific details
B. A class with common attributes
C. A class with no methods
D. A class that cannot be extended
Correct Answer:
B
Chapter: 1
Q7:
In OOP, what is inheritance?
A. Creating new classes from scratch
B. Reusing existing functions
C. Sharing characteristics
D. Defining functions in subclasses only
Correct Answer:
C
Chapter: 1
Q8:
What kind of relationship does inheritance establish between classes?
A. Has-a
B. Uses-a
C. Is-a
D. Does-a
Correct Answer:
C
Chapter: 1
Q9:
Which method should be called to perform an internal combustion in the Car class?
A. rotate()
B. internalCombustion()
C. startEngine()
D. move()
Correct Answer:
B
Chapter: 1
Q10:
When is the 'generalization' approach used in class design?
A. To simplify code
B. To reduce subclassing
C. To extract shared characteristics
D. To add more functions
Correct Answer:
C
Chapter: 1
Q11:
Which attribute is specific to the class Piece of Cargo in specialization?
A. Degree of Hazardousness
B. Weight
C. Volume
D. Transport mode
Correct Answer:
A
Chapter: 1
Q12:
In the context of OOP, what does specialization mean?
A. Adding new classes
B. Creating new subclasses
C. Merging classes
D. Deleting redundant methods
Correct Answer:
B
Chapter: 1
Q13:
What is the primary purpose of inheritance in OOP?
A. Increase code size
B. Code reusability
C. Avoid class duplication
D. Simplify function calls
Correct Answer:
B
Chapter: 1
Q14:
What is the main purpose of creating an abstract class in OOP?
A. To store data
B. To group related classes
C. To implement all methods
D. To create instances
Correct Answer:
B
Chapter: 1
Q15:
In which scenario would you use abstraction in a program?
A. To hide implementation details
B. To expose all attributes
C. To simplify code logic
D. To add unnecessary complexity
Correct Answer:
A
Chapter: 1
Q16:
What does the term 'encapsulation' refer to in OOP?
A. Hiding the implementation details
B. Creating a new class hierarchy
C. Reusing existing code
D. Abstracting functions and variables
Correct Answer:
A
Chapter: 1
Q17:
Which symbol is used to denote a private member in a class diagram?
A. +
B. -
C. #
D. *
Correct Answer:
B
Chapter: 1
Q18:
Which programming concept allows objects to interact through relationships like 'Ali lives in the house'?
A. Inheritance
B. Polymorphism
C. Encapsulation
D. Object Composition
Correct Answer:
D
Chapter: 1
Q19:
In a class diagram, what does the minus sign (-) before an attribute indicate?
A. Public
B. Protected
C. Private
D. Inherited
Correct Answer:
C
Chapter: 1
Q20:
What does the 'is-a' relationship in OOP refer to?
A. Object composition
B. Inheritance
C. Function overloading
D. Encapsulation
Correct Answer:
B