What does a deployment diagram in UML typically depict?

Question $1$Answer

a$.$

The physical hardware components and their connections

b$.$

The structure of classes and their relationships

c$.$

The flow of activities within a system

d$.$

The interactions between objects in a system

Question $2$

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Which concept in OOP allows a class to inherit properties and methods from another class?

Question $2$Answer

a$.$

Polymorphism

b$.$

Abstraction

c$.$

Encapsulation

d$.$

Inheritance

Question $3$

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In a component diagram, what does a dependency arrow with a dashed line indicate?

Question $3$Answer

a$.$

A weak dependency between components

b$.$

A package import relationship

c$.$

A strong dependency between components

d$.$

A realization relationship

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Which UML diagram is used to show the structure of a system, including packages and the dependencies between them?

Question $4$Answer

a$.$

Package diagram

b$.$

Object diagram

c$.$

Class diagram

d$.$

Deployment diagram

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Which of the following best describes an 'object' in object$-$oriented analysis and design $($OOAD$)?$

Question $5$Answer

a$.$

A variable in a programming language

b$.$

A physical entity in the real world

c$.$

A collection of functions

d$.$

An instance of a class with its own state and behavior

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Which concept in OOP allows objects to be treated as instances of their parent class rather than their actual class?

Question $6$Answer

a$.$

Encapsulation

b$.$

Abstraction

c$.$

Polymorphism

d$.$

Inheritance

Question $7$

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What is the purpose of an activity diagram in UML?

Question $7$Answer

a$.$

To depict the dynamic aspects of a system's functionality

b$.$

To show the flow of activities within a system

c$.$

To illustrate the interactions between objects

d$.$

To model the behavior of a single class

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In a class diagram, what does a solid line with a hollow arrowhead indicate?

Question $8$Answer

a$.$

Generalization

b$.$

Dependency

c$.$

Composition

d$.$

Aggregation

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Which UML diagram is used to depict the interactions between components within a system and with external systems?

Question $9$Answer

a$.$

Use case diagram

b$.$

Statechart diagram

c$.$

Component diagram

d$.$

Communication diagram

Question $10$

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In OOP, what does 'composition' refer to$?$

Question $10$Answer

a$.$

A relationship between classes where objects can belong to multiple classes

b$.$

The ability of one object to acquire the properties of another object

c$.$

A specialized form of association where one class is part of another class

d$.$

The process of creating multiple instances of an object