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UML (Unified Modeling Language) MCQ

1. Key elements of use-case diagrams are:

Uses, cases

Actors, use cases

People, computer

People, classes and objects

Answer

Correct Answer: Actors, use cases

Note: This Question is unanswered, help us to find answer for this one

2. What is true about UML stereotypes?

The stereotype {frozen} indicates that the UML element cannot be changed

UML Profiles can be stereotyped for backward compatibility

A stereotype is used for extending the UML language

A stereotyped class must be abstract

Answer

Correct Answer: A stereotype is used for extending the UML language

Note: This Question is unanswered, help us to find answer for this one

3. If you need to show the physical relationship between software components and the hardware in the delivered system, which diagram can you use?

Network diagram

Component diagram

Deployment diagram

Class diagram

Answer

Correct Answer: Deployment diagram

Note: This Question is unanswered, help us to find answer for this one

4. Which diagram is NOT commonly used for illustrating use cases?

Use case diagram

Collaboration diagram

Activity diagram

System sequence diagram

Answer

Correct Answer: Collaboration diagram

Note: This Question is unanswered, help us to find answer for this one

5. The interface is represented in UML notation by:

Dotted circle with the name inside it

Circle with the name below the circle

Dotted eclipse with the name inside the eclipse

Rectangular box with the name of interface inside it

Answer

Correct Answer: Circle with the name below the circle

Note: This Question is unanswered, help us to find answer for this one

6. Inheritance relationships are represented in the UML notation by:

Lines with solid triangular arrow at both ends

Lines with solid diamond at one end

Lines with hollow diamond at one end

Lines with hollow triangular arrow at one end

Answer

Correct Answer: Lines with hollow triangular arrow at one end

Note: This Question is unanswered, help us to find answer for this one

7. The object is represented in UML notation by:

A rectangular box with the instantiated object, separated from the class name by a

A thin vertical line with key method calls shown by outward arrow

A rectangular box with the name of the object

A comment or a explanatory note associated with a class

Answer

Correct Answer: A rectangular box with the instantiated object, separated from the class name by a

Note: This Question is unanswered, help us to find answer for this one

8. Which diagram in UML is used to describe the physical components their distribution and association?

Component diagram

Interaction diagram

Deployment diagram

Object diagram

Answer

Correct Answer: Deployment diagram

Note: This Question is unanswered, help us to find answer for this one

9. What can UML interfaces be used for?

To provide concrete classes with the stereotype

To specify required services for types of objects

To program in Java and C++, but not in C#

To define executable logic that can be reused in several classes

Answer

Correct Answer: To specify required services for types of objects

Note: This Question is unanswered, help us to find answer for this one

10. In the class diagram, inside each class what is to be printed?

Its name and operations

Its name, attributes and operations

Its name and attributes

Its name, attributes, operations and derived class

Answer

Correct Answer: Its name, attributes and operations

Note: This Question is unanswered, help us to find answer for this one

11. Aggregation (encapsulation) relationship is represented in UML notation by:

Line without an arrow

Line with hollow diamond at one end

Line with solid diamond at one end

Line with an arrow at one end

Answer

Correct Answer: Line with hollow diamond at one end

Note: This Question is unanswered, help us to find answer for this one

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