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Software Architecture Design MCQs and Answers With Explanation –Software Architecture Design is a critical aspect of software development that involves creating high-level abstract models to guide the software development process. It encompasses fundamental principles and guidelines that drive the software development process, including identifying components and their interactions, selecting appropriate design patterns, and creating robust software frameworks. If you’re looking for Software Architecture Design Multiple Choice Questions to prepare for an exam or interview, this article is perfect for you. Utilize these Top 65 Software Architecture Design MCQs to enhance your knowledge and perform your best during the interview or exam.
Software Architecture Design MCQs
To test your knowledge of Software Architecture Design, you can take Software Architecture Design Quiz that covers various topics, such as design patterns, architectural styles, and software development methodologies. These Software Architecture Design MCQs with Answers can help you assess your understanding of the subject matter and improve your overall performance in software development.
Software Architecture Design Multiple Choice Questions
| Name | Software Architecture Design |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 65 Software Architecture Design MCQs | Practice Online Quiz
1. Which of the following is NOT a key principle of software architecture design?
a. Separation of concerns
b. Scalability
c. Simplicity
d. Randomness
Answer: d. Randomness
Explanation: Randomness is not a key principle of software architecture design. The other principles are commonly recognized as fundamental to good software design.
2. Which design pattern is used to ensure that a class has only one instance and provides a global point of access to that instance?
a. Abstract Factory
b. Singleton
c. Adapter
d. Builder
Answer: b. Singleton
Explanation: The Singleton pattern is used to ensure that a class has only one instance and provides a global point of access to that instance.
3. Which design pattern is used to provide a unified interface to a set of interfaces in a subsystem?
a. Adapter
b. Facade
c. Proxy
d. Observer
Answer: b. Facade
Explanation: The Facade pattern is used to provide a unified interface to a set of interfaces in a subsystem.
4. Which of the following is a design pattern that separates the interface from the implementation?
a. Proxy
b. Bridge
c. Composite
d. Flyweight
Answer: b. Bridge
Explanation: The Bridge pattern separates the interface from the implementation.
5. Which design pattern is used to allow an object to alter its behavior when its internal state changes?
a. Strategy
b. Observer
c. State
d. Command
Answer: c. State
Explanation: The State pattern is used to allow an object to alter its behavior when its internal state changes.
6. Which design pattern is used to define a family of algorithms, encapsulate each one, and make them interchangeable?
a. Factory Method
b. Abstract Factory
c. Strategy
d. Template Method
Answer: c. Strategy
Explanation: The Strategy pattern is used to define a family of algorithms, encapsulate each one, and make them interchangeable.
7. Which of the following is a design pattern that allows a group of objects to be treated as a single object?
a. Adapter
b. Composite
c. Flyweight
d. Proxy
Answer: b. Composite
Explanation: The Composite pattern allows a group of objects to be treated as a single object.
8. Which design pattern is used to encapsulate the creation of objects, allowing the type of the object created to be determined at run-time?
a. Abstract Factory
b. Factory Method
c. Singleton
d. Prototype
Answer: a. Abstract Factory
Explanation: The Abstract Factory pattern is used to encapsulate the creation of objects, allowing the type of the object created to be determined at run-time.
9. Which of the following is a design pattern that provides a surrogate or placeholder for another object to control access to it?
a. Adapter
b. Proxy
c. Decorator
d. Bridge
Answer: b. Proxy
Explanation: The Proxy pattern provides a surrogate or placeholder for another object to control access to it.
10. Which design pattern is used to allow a set of objects to communicate in a loosely coupled way?
a. Observer
b. Chain of Responsibility
c. Mediator
d. Command
Answer: c. Mediator
Explanation: The Mediator pattern is used to allow a set of objects to communicate in a loosely coupled way.
11. Which of the following is a design pattern that allows behavior to be added to an individual object, either statically or dynamically, without affecting the behavior of other objects from the same class?
a. Singleton
b. Decorator
c. Factory Method
d. Command
Answer: b. Decorator
Explanation: The Decorator pattern allows behavior to be added to an individual object, either statically or dynamically, without affecting the behavior of other objects from the same class.
12. Which design pattern is used to define the skeleton of an algorithm in a method, deferring some steps to subclasses?
a. Template Method
b. Factory Method
c. Singleton
d. Builder
Answer: a. Template Method
Explanation: The Template Method pattern is used to define the skeleton of an algorithm in a method, deferring some steps to subclasses.
13. Which of the following is a design pattern that provides a way to access the elements of an object sequentially without exposing its underlying representation?
a. Composite
b. Iterator
c. Visitor
d. Chain of Responsibility
Answer: b. Iterator
Explanation: The Iterator pattern provides a way to access the elements of an object sequentially without exposing its underlying representation.
14. Which design pattern is used to define a simpler interface for a complex system of classes, making the system more accessible?
a. Proxy
b. Decorator
c. Facade
d. Bridge
Answer: c. Facade
Explanation: The Facade pattern is used to define a simpler interface for a complex system of classes, making the system more accessible.
15. Which of the following is a design pattern that separates the construction of a complex object from its representation, allowing the same construction process to create different representations?
a. Factory Method
b. Builder
c. Prototype
d. Abstract Factory
Answer: b. Builder
Explanation: The Builder pattern separates the construction of a complex object from its representation, allowing the same construction process to create different representations.
16. Which design pattern is used to encapsulate a request as an object, allowing the request to be parameterized, queued, or logged, and supporting undoable operations?
a. Observer
b. Command
c. State
d. Memento
Answer: b. Command
Explanation: The Command pattern is used to encapsulate a request as an object, allowing the request to be parameterized, queued, or logged, and supporting undoable operations.
17. Which of the following is a design pattern that defines a one-to-many dependency between objects, so that when one object changes state, all its dependents are notified?
a. Observer
b. Mediator
c. Chain of Responsibility
d. Visitor
Answer: a. Observer
Explanation: The Observer pattern defines a one-to-many dependency between objects, so that when one object changes state, all its dependents are notified.
18. Which design pattern is used to handle requests by chaining objects together and passing the request along the chain until an object handles it?
a. Chain of Responsibility
b. Flyweight
c. Proxy
d. Visitor
Answer: a. Chain of Responsibility
Explanation: The Chain of Responsibility pattern is used to handle requests by chaining objects together and passing the request along the chain until an object handles it.
19. Which of the following is a design pattern that allows an object to be replaced with a different implementation of the same interface without affecting the client code?
a. Adapter
b. Bridge
c. Decorator
d. Strategy
Answer: a. Adapter
Explanation: The Adapter pattern allows an object to be replaced with a different implementation of the same interface without affecting the client code.
20. Which design pattern is used to reduce the number of objects created by sharing objects that have similar characteristics?
a. Flyweight
b. Singleton
c. Abstract Factory
d. Prototype
Answer: a. Flyweight
Explanation: The Flyweight pattern is used to reduce the number of objects created by sharing objects that have similar characteristics.
21. Which of the following is a design pattern that separates the interface from the implementation in a way that allows both to vary independently?
a. Abstract Factory
b. Bridge
c. Adapter
d. Proxy
Answer: b. Bridge
Explanation: The Bridge pattern separates the interface from the implementation in a way that allows both to vary independently.
22. Which design pattern is used to represent a group of objects as a single object?
a. Adapter
b. Composite
c. Proxy
d. Decorator
Answer: b. Composite
Explanation: The Composite pattern is used to represent a group of objects as a single object.
23. Which of the following is a design pattern that allows an object to alter its behavior when its internal state changes?
a. Observer
b. State
c. Visitor
d. Command
Answer: b. State
Explanation: The State pattern allows an object to alter its behavior when its internal state changes.
24. Which design pattern is used to define a set of objects that can be used together interchangeably, without modifying the client code that uses them?
a. Abstract Factory
b. Strategy
c. Visitor
d. Chain of Responsibility
Answer: b. Strategy
Explanation: The Strategy pattern is used to define a set of objects that can be used together interchangeably, without modifying the client code that uses them.
25. Which of the following is a design pattern that allows an object to capture its current state and restore it later?
a. Command
b. Memento
c. Prototype
d. Decorator
Answer: b. Memento
Explanation: The Memento pattern allows an object to capture its current state and restore it later.
26. Which design pattern is used to provide a surrogate or placeholder for another object to control access to it?
a. Composite
b. Proxy
c. Facade
d. Bridge
Answer: b. Proxy
Explanation: The Proxy pattern is used to provide a surrogate or placeholder for another object to control access to it.
27. Which of the following is a design pattern that defines a common interface for a group of classes, allowing them to be used interchangeably?
a. Adapter
b. Bridge
c. Factory Method
d. Abstract Factory
Answer: d. Abstract Factory
Explanation: The Abstract Factory pattern defines a common interface for a group of classes, allowing them to be used interchangeably.
28. Which design pattern is used to allow multiple objects to handle a request without the sender having to specify which object handles it?
a. Visitor
b. Chain of Responsibility
c. Mediator
d. Observer
Answer: b. Chain of Responsibility
Explanation: The Chain of Responsibility pattern is used to allow multiple objects to handle a request without the sender having to specify which object handles it.
29. Which of the following is a design pattern that defines a family of algorithms, encapsulates each one, and makes them interchangeable at runtime?
a. Strategy
b. Template Method
c. Interpreter
d. Visitor
Answer: a. Strategy
Explanation: The Strategy pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable at runtime.
30. Which design pattern is used to provide a way to access a particular element of a collection without exposing the details of its implementation?
a. Iterator
b. Proxy
c. Flyweight
d. Memento
Answer: a. Iterator
Explanation: The Iterator pattern is used to provide a way to access a particular element of a collection without exposing the details of its implementation.
31. Which of the following is a design pattern that allows a single instance of a class to be created and accessed from anywhere in the system?
a. Singleton
b. Prototype
c. Flyweight
d. Adapter
Answer: a. Singleton
Explanation: The Singleton pattern allows a single instance of a class to be created and accessed from anywhere in the system.
32. Which design pattern is used to encapsulate a request as an object, thereby allowing the request to be parameterized with different requests, queued, and logged?
a. Command
b. Observer
c. Mediator
d. Chain of Responsibility
Answer: a. Command
Explanation: The Command pattern is used to encapsulate a request as an object, thereby allowing the request to be parameterized with different requests, queued, and logged.
33. Which of the following is a design pattern that allows an object to be created without specifying its exact class?
a. Abstract Factory
b. Factory Method
c. Builder
d. Prototype
Answer: b. Factory Method
Explanation: The Factory Method pattern allows an object to be created without specifying its exact class.
34. Which design pattern is used to define a simple interface for a complex subsystem, making it easier to use?
a. Adapter
b. Facade
c. Decorator
d. Bridge
Answer: b. Facade
Explanation: The Facade pattern is used to define a simple interface for a complex subsystem, making it easier to use.
35. Which of the following is a design pattern that allows an object to be composed from other objects?
a. Composite
b. Proxy
c. Adapter
d. Flyweight
Answer: a. Composite
Explanation: The Composite pattern allows an object to be composed from other objects.
36. Which design pattern is used to attach additional responsibilities to an object dynamically?
a. Chain of Responsibility
b. Decorator
c. Observer
d. Visitor
Answer: b. Decorator
Explanation: The Decorator pattern is used to attach additional responsibilities to an object dynamically.
37. Which of the following is a design pattern that defines a one-to-many dependency between objects, so that when one object changes state, all its dependents are notified and updated automatically?
a. Command
b. Mediator
c. Observer
d. Chain of Responsibility
Answer: c. Observer
Explanation: The Observer pattern defines a one-to-many dependency between objects, so that when one object changes state, all its dependents are notified and updated automatically.
38. Which design pattern is used to separate the construction of a complex object from its representation so that the same construction process can create different representations?
a. Abstract Factory
b. Builder
c. Factory Method
d. Prototype
Answer: b. Builder
Explanation: The Builder pattern is used to separate the construction of a complex object from its representation so that the same construction process can create different representations.
39. Which of the following is a design pattern that allows an object to be used as a stand-in for another object, intercepting messages sent to that object and possibly modifying its behavior?
a. Decorator
b. Bridge
c. Proxy
d. Facade
Answer: c. Proxy
Explanation: The Proxy pattern allows an object to be used as a stand-in for another object, intercepting messages sent to that object and possibly modifying its behavior.
40. Which of the following is a design pattern that allows the creation of objects based on a template of an existing object, avoiding the need to create a new object from scratch?
a. Prototype
b. Adapter
c. Bridge
d. Chain of Responsibility
Answer: a. Prototype
Explanation: The Prototype pattern allows the creation of objects based on a template of an existing object, avoiding the need to create a new object from scratch.
41. Which design pattern is used to decouple an abstraction from its implementation so that the two can vary independently?
a. Bridge
b. Adapter
c. Facade
d. Proxy
Answer: a. Bridge
Explanation: The Bridge pattern is used to decouple an abstraction from its implementation so that the two can vary independently.
42. Which of the following is a design pattern that provides a way to avoid duplicating code by reusing objects instead of creating new ones?
a. Prototype
b. Flyweight
c. Adapter
d. Chain of Responsibility
Answer: b. Flyweight
Explanation: The Flyweight pattern provides a way to avoid duplicating code by reusing objects instead of creating new ones.
43. Which design pattern is used to allow multiple objects to handle a request without explicitly specifying which object should handle the request?
a. Chain of Responsibility
b. Mediator
c. Observer
d. Visitor
Answer: a. Chain of Responsibility
Explanation: The Chain of Responsibility pattern is used to allow multiple objects to handle a request without explicitly specifying which object should handle the request.
44. Which of the following is a design pattern that allows an object to be used as a bridge between two other objects, so that changes to one object do not affect the other object?
a. Proxy
b. Adapter
c. Bridge
d. Decorator
Answer: c. Bridge
Explanation: The Bridge pattern allows an object to be used as a bridge between two other objects, so that changes to one object do not affect the other object.
45. Which design pattern is used to allow objects to communicate with each other without being tightly coupled?
a. Mediator
b. Observer
c. Chain of Responsibility
d. Visitor
Answer: a. Mediator
Explanation: The Mediator pattern is used to allow objects to communicate with each other without being tightly coupled.
46. Which of the following is a design pattern that allows an object to be used as a wrapper for another object, adding functionality to it?
a. Decorator
b. Bridge
c. Facade
d. Adapter
Answer: a. Decorator
Explanation: The Decorator pattern allows an object to be used as a wrapper for another object, adding functionality to it.
47. Which design pattern is used to allow algorithms to be changed at runtime?
a. Strategy
b. Visitor
c. Command
d. Template Method
Answer: a. Strategy
Explanation: The Strategy pattern is used to allow algorithms to be changed at runtime.
48. Which of the following is a design pattern that allows an object to be used as a placeholder for another object, allowing it to be created lazily?
a. Flyweight
b. Proxy
c. Adapter
d. Bridge
Answer: b. Proxy
Explanation: The Proxy pattern allows an object to be used as a placeholder for another object, allowing it to be created lazily.
49. Which design pattern is used to allow multiple algorithms to be executed interchangeably at runtime?
a. Visitor
b. Template Method
c. Strategy
d. Command
Answer: c. Strategy
Explanation: The Strategy pattern is used to allow multiple algorithms to be executed interchangeably at runtime.
50. Which of the following is a design pattern that allows an object to be used as an adapter between two incompatible interfaces?
a. Facade
b. Bridge
c. Adapter
d. Proxy
Answer: c. Adapter
Explanation: The Adapter pattern allows an object to be used as an adapter between two incompatible interfaces.
51. Which design pattern is used to allow an object to encapsulate a complex interaction between multiple objects into a single object?
a. Facade
b. Mediator
c. Observer
d. Visitor
Answer: a. Facade
Explanation: The Facade pattern is used to allow an object to encapsulate a complex interaction between multiple objects into a single object.
52. Which of the following is a design pattern that allows objects to be created based on a set of rules?
a. Abstract Factory
b. Builder
c. Factory Method
d. Prototype
Answer: c. Factory Method
Explanation: The Factory Method pattern allows objects to be created based on a set of rules.
53. Which design pattern is used to allow an object to be created based on a set of rules, with the rules being specified by the client?
a. Factory Method
b. Abstract Factory
c. Prototype
d. Builder
Answer: b. Abstract Factory
Explanation: The Abstract Factory pattern is used to allow an object to be created based on a set of rules, with the rules being specified by the client.
54. Which of the following is a design pattern that allows an object to be created in a step-by-step manner, with different steps being performed by different objects?
a. Abstract Factory
b. Builder
c. Prototype
d. Singleton
Answer: b. Builder
Explanation: The Builder pattern allows an object to be created in a step-by-step manner, with different steps being performed by different objects.
55. Which design pattern is used to ensure that only one instance of a class is created and that it is globally accessible?
a. Factory Method
b. Singleton
c. Builder
d. Abstract Factory
Answer: b. Singleton
Explanation: The Singleton pattern is used to ensure that only one instance of a class is created and that it is globally accessible.
56. Which of the following is a design pattern that allows an object to be created by cloning an existing object, without the need for a constructor?
a. Abstract Factory
b. Builder
c. Prototype
d. Singleton
Answer: c. Prototype
Explanation: The Prototype pattern allows an object to be created by cloning an existing object, without the need for a constructor.
57. Which of the following is a design pattern that allows an object to be used as a container for other objects, without specifying their concrete classes?
a. Factory Method
b. Composite
c. Abstract Factory
d. Prototype
Answer: b. Composite
Explanation: The Composite pattern allows an object to be used as a container for other objects, without specifying their concrete classes.
58. Which design pattern is used to provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation?
a. Iterator
b. Composite
c. Proxy
d. Flyweight
Answer: a. Iterator
Explanation: The Iterator pattern is used to provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.
59. Which of the following is a design pattern that allows an object to be used as a proxy for another object, controlling its access?
a. Bridge
b. Adapter
c. Decorator
d. Proxy
Answer: d. Proxy
Explanation: The Proxy pattern allows an object to be used as a proxy for another object, controlling its access.
60. Which design pattern is used to allow objects to be notified of changes to another object’s state?
a.Observer
b. Mediator
c. Visitor
d. Interpreter
Answer: a. Observer
Explanation: The Observer pattern is used to allow objects to be notified of changes to another object’s state.
61. Which of the following is a design pattern that allows objects to be accessed in a tree-like structure?
a. Composite
b. Bridge
c. Flyweight
d. Facade
Answer: a. Composite
Explanation: The Composite pattern allows objects to be accessed in a tree-like structure.
62. Which design pattern is used to separate an object’s interface from its implementation so that they can be developed independently?
a. Adapter
b. Bridge
c. Proxy
d. Decorator
Answer: b. Bridge
Explanation: The Bridge pattern is used to separate an object’s interface from its implementation so that they can be developed independently.
63. Which of the following is a design pattern that allows an object to be used to provide a simplified version of a complex object?
a. Facade
b. Flyweight
c. Proxy
d. Adapter
Answer: b. Flyweight
Explanation: The Flyweight pattern allows an object to be used to provide a simplified version of a complex object.
64. Which design pattern is used to allow objects to be composed into a tree-like structure to represent part-whole hierarchies?
a. Builder
b. Composite
c. Abstract Factory
d. Prototype
Answer: b. Composite
Explanation: The Composite pattern is used to allow objects to be composed into a tree-like structure to represent part-whole hierarchies.
65. Which of the following is a design pattern that allows an object’s behavior to be modified without changing its structure?
a. Adapter
b. Decorator
c. Bridge
d. Flyweight
Answer: b. Decorator
Explanation: The Decorator pattern allows an object’s behavior to be modified without changing its structure.
If you wish to enhance your knowledge then these Software Architecture Design MCQs are an excellent tool for evaluating your understanding of fundamental software development principles and guidelines. By practicing these Top 65 Software Architecture Design MCQs, you can enhance your knowledge and improve your overall performance in software development. For more useful technical quizzes keep following our Freshersnow website.