Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Multiple Choice Questions
Q31: The main advantage of information hiding is?
- A: Direct data manipulation
- B: Barrier against change propagation
- C: Easier code sharing
- D: Open access to data
View Answer
B
Q32: Which of the following is an example of a child object not having its lifecycle independently of the parent object?
- A: House and furniture
- B: House and rooms
- C: Car and engine
- D: Book and pages
View Answer
B
Q33: What is the term for a class that is declared abstract and may include abstract methods?
- A: Concrete Class
- B: Derived Class
- C: Abstract Class
- D: Final Class
View Answer
C
Q34: In Multilevel Inheritance, which class is implicitly inherited?
- A: Child Class
- B: Parent Class
- C: Grandparent Class
- D: Sibling Class
View Answer
C
Q35: Which type of inheritance involves a single derived class inheriting from multiple base classes?
- A: Single Inheritance
- B: Multilevel Inheritance
- C: Multiple Inheritance
- D: Hybrid Inheritance
View Answer
C
Q36: In composition, what happens if the parent object is deleted?
- A: The child object remains
- B: The child object is deleted
- C: The child object is transferred
- D: The child object is modified
View Answer
B
Q37: In the example of Aggregation, which of the following can exist independently?
- A: Room
- B: Bed
- C: Furniture
- D: Table
View Answer
C
Q38: Which type of association is represented by a single directional arrow?
- A: Simple Association
- B: One Way Association
- C: Two Way Association
- D: Ternary Association
View Answer
B
Q39: Which of the following is not a feature of an abstract class?
- A: Cannot be instantiated
- B: Includes abstract methods
- C: Can be subclassed
- D: Must include at least one method
View Answer
D
Q40: In the context of Aggregation, what relationship is described by "has-a"?
- A: Inheritance
- B: Association
- C: Composition
- D: Aggregation
View Answer
D