This set of Software Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Building Blocks of UML”.
1. Which of the following is a building block of UML?
a) Things
b) Relationships
c) Diagrams
d) All of the mentioned
View Answer
Explanation: All are the building blocks of UML which are further sub-categorized.
2. Classes and interfaces are a part of
a) Structural things
b) Behavioral things
c) Grouping things
d) Annotational things
View Answer
Explanation: Structural things are mostly static parts of a model, representing elements that are either conceptual or physical.
3.What is a collection of operations that specify a service of a class or component?
a) Use Case
b) Actor
c) Interface
d) Relationship
View Answer
Explanation: None.
4. What is a physical element that exists at runtime in UML?
a) A node
b) An interface
c) An activity
d) None of the mentioned
View Answer
Explanation: A node represents a computational resource.
5. What can be requested from any object of the class to affect behavior?
a) object
b) attribute
c) operation
d) instance
View Answer
Explanation: An operation is the implementation of a service that can be requested from any object of the class to affect behavior.
6. Which things are dynamic parts of UML models?
a) Structural things
b) Behavioral things
c) Grouping things
d) Annotational things
View Answer
Explanation: These are the verbs of a model, representing behavior over time and space.
7. Which diagram in UML emphasizes the time-ordering of messages?
a) Activity
b) Sequence
c) Collaboration
d) Class
View Answer
Explanation: This diagram is a model describing how groups of objects collaborate in some behavior over time.
8. Object diagram captures the behavior of a single use case.
a) True
b) False
View Answer
Explanation: Sequence Diagram is responsible for this.
9. If you are working on real-time process control applications or systems that involve concurrent processing, you would use a
a) Activity diagram
b) Sequence diagram
c) Statechart diagram
d) Object diagram
View Answer
Explanation: A statechart diagram shows a state machine, consisting of states, transitions, events, and activities.
10. Which diagram shows the configuration of run-time processing elements?
a) Deployment diagram
b) Component diagram
c) Node diagram
d) ER-diagram
View Answer
Explanation: A Deployment diagram shows the configuration of run-time processing elements and the software components, processes, and objects.
11. Which things in UML are the explanatory parts of UML models?
a) Structural things
b) Behavioral things
c) Grouping things
d) Annotational things
View Answer
Explanation: It include a note which is simply a symbol for rendering constraints and comments attached to an element or a collection of elements.
12. Which of the following term is best defined by the statement:”a structural relationship that specifies that objects of one thing are connected to objects of another”?
a) Association
b) Aggregation
c) Realization
d) Generalization
View Answer
Explanation: None.
13. What refers to the value associated with a specific attribute of an object and to any actions or side?
a) Object
b) State
c) Interface
d) None of the mentioned
View Answer
Explanation: In a state chart diagram, effects occur when the attribute’s value changes.
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