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Welcome to the Visibility,Accessibility and Information Hiding MCQs Page

Dive deep into the fascinating world of Visibility,Accessibility and Information Hiding with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Visibility,Accessibility and Information Hiding, a crucial aspect of Software Architecture and Design. In this section, you will encounter a diverse range of MCQs that cover various aspects of Visibility,Accessibility and Information Hiding, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Architecture and Design.

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Check out the MCQs below to embark on an enriching journey through Visibility,Accessibility and Information Hiding. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Architecture and Design.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Visibility,Accessibility and Information Hiding. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Visibility,Accessibility and Information Hiding MCQs | Page 10 of 13

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Q91.
Which are the drawback for mediator pattern?

a.

It may also increase collaborator cohesion

b.

Forcing collaborator interaction through the mediator may compromise performance

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (b).Forcing collaborator interaction through the mediator may compromise performance
Q92.
Which of the following is consequence of mediator class?

a.

They makes a sub-system easier for clients to use

b.

Lowers the coupling between the client and the sub-system

c.

Increase re-usability by adapting a sub-system’s interface to client needs

d.

It encapsulates an interaction, making the interaction easier to change

Discuss
Answer: (d).It encapsulates an interaction, making the interaction easier to change
Q93.
Which of the following is true for Adapter pattern?

a.

An adapter or wrapper is a component that provides a new interface for an existing component

b.

An Adapter or Wrapper pattern is a broker pattern that provides a new interface for existing software so that it can be reused

c.

Adaptation for reuse is an old technique that has been used since the beginning of software development

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q94.
The Adapter patterns provide object-oriented adapters in which of theses varieties?

a.

One uses inheritance

b.

one uses delegation

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).All of the mentioned
Q95.
A class (the adapter class) may be given a new interface by an adapter class in which of the two ways?

a.

The adapter may subclass the adapter. The adapter can inherit adapter operations with appropriate semantics and pragmatics, override those with inappropriate semantics or pragmatics, and add operations needed for the new interface. This is the Class Adapter pattern

b.

The adapter may hold a reference to the adapter and delegate must work to the adapter object. This approach is the Object Adapter pattern

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).All of the mentioned
Q96.
A class (the adapter class) may be given a new interface by an adapter class in which of these ways?

a.

Class Adapter pattern

b.

Object Adapter pattern

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).All of the mentioned
Q97.
Which of these states about Object Adapter pattern?

a.

The adapter can inherit adapter operations with appropriate semantics and pragmatics, override those with inappropriate semantics or pragmatics, and add operations needed for the new interface

b.

The adapter may hold a reference to the adapter and delegate must work to the adapter object

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (b).The adapter may hold a reference to the adapter and delegate must work to the adapter object
Q98.
Which of the following is true for proxy pattern?

a.

Has exactly the same interface as the real object

b.

Handles routine or illegitimate messages without accessing the real object

c.

Delegates messages that it cannot handle to the real object

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q99.
Which of the following is not followed by proxy pattern?

a.

virtual proxies

b.

remote proxies

c.

access proxies

d.

none of the mentioned

Discuss
Answer: (d).none of the mentioned
Q100.
What are stand-ins for objects not yet created are called?

a.

virtual proxies

b.

remote proxies

c.

access proxies

d.

none of the mentioned

Discuss
Answer: (a).virtual proxies
Page 10 of 13

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