Communication Diagram MCQs – T4Tutorials.com

What does a Communication Diagram emphasize?
a) The flow of data
b) The sequence of messages
c) The relationships and interactions between objects
d) The state changes of an object
Answer: c) The relationships and interactions between objects

In a Communication Diagram, what do the numbers on the messages typically represent?
a) Priority of the messages
b) Sequential order of the messages
c) Time taken by the messages
d) Importance of the messages
Answer: b) Sequential order of the messages

Which of the following is not a component of a Communication Diagram?
a) Objects
b) Links
c) Messages
d) States
Answer: d) States

Communication Diagrams are also known as:
a) Sequence Diagrams
b) Collaboration Diagrams
c) Use Case Diagrams
d) Activity Diagrams
Answer: b) Collaboration Diagrams

In a Communication Diagram, how are objects represented?
a) Rectangles
b) Circles
c) Ovals
d) Hexagons
Answer: a) Rectangles

What kind of relationships do Communication Diagrams typically show?
a) Inheritance relationships
b) Interaction relationships
c) Composition relationships
d) Aggregation relationships
Answer: b) Interaction relationships

Which UML diagram is most closely related to Communication Diagrams?
a) Class Diagram
b) State Machine Diagram
c) Sequence Diagram
d) Component Diagram
Answer: c) Sequence Diagram

What is the primary purpose of a Communication Diagram?
a) To model the dynamic behavior of objects
b) To show the physical deployment of artifacts
c) To represent the static structure of a system
d) To visualize the interaction between objects
Answer: d) To visualize the interaction between objects

Which element in a Communication Diagram indicates the flow of control?
a) Links
b) Objects
c) Messages
d) States
Answer: c) Messages

In Communication Diagrams, what does a link represent?
a) A connection between states
b) A connection between objects
c) A transition between activities
d) A generalization relationship
Answer: b) A connection between objects

How does a Communication Diagram primarily differ from a Sequence Diagram?
a) It shows the flow of data rather than the sequence of messages.
b) It focuses on the structural organization of objects rather than the time order of messages.
c) It models the dynamic behavior of the system.
d) It shows the states of objects over time.
Answer: b) It focuses on the structural organization of objects rather than the time order of messages.

Which diagram provides a more detailed view of the timing and order of messages?
a) Communication Diagram
b) State Machine Diagram
c) Sequence Diagram
d) Activity Diagram
Answer: c) Sequence Diagram

What aspect is more emphasized in a Communication Diagram compared to a Class Diagram?
a) The static structure of the system
b) The interactions and relationships between objects
c) The states of the system
d) The data flow in the system
Answer: b) The interactions and relationships between objects

Which UML diagram would you use to show the sequence of operations over time?
a) Communication Diagram
b) Use Case Diagram
c) Sequence Diagram
d) Component Diagram
Answer: c) Sequence Diagram

In what scenario would a Communication Diagram be more useful than a Sequence Diagram?
a) When you need to show the detailed order of message exchanges.
b) When you need to emphasize the structural relationships and interactions.
c) When you need to model the state changes of an object.
d) When you need to represent the flow of activities.
Answer: b) When you need to emphasize the structural relationships and interactions.

Which diagram focuses on the transitions between different states of an object?
a) Communication Diagram
b) Sequence Diagram
c) State Machine Diagram
d) Activity Diagram
Answer: c) State Machine Diagram

Which diagram is best for representing the overall flow of control or data within a system?
a) Communication Diagram
b) Activity Diagram
c) Sequence Diagram
d) Component Diagram
Answer: b) Activity Diagram

How does a Communication Diagram differ from an Activity Diagram?
a) It shows the workflow of activities.
b) It shows the interactions and links between objects.
c) It shows the detailed timing of message exchanges.
d) It shows the static structure of the system.
Answer: b) It shows the interactions and links between objects.

Which diagram would be most suitable for showing the organization and dependencies among software components?
a) Communication Diagram
b) Component Diagram
c) Sequence Diagram
d) Use Case Diagram
Answer: b) Component Diagram

What is a key difference between Communication Diagrams and State Machine Diagrams?
a) Communication Diagrams show object interactions; State Machine Diagrams show state changes.
b) Communication Diagrams show the sequence of operations; State Machine Diagrams show data flow.
c) Communication Diagrams focus on workflow; State Machine Diagrams focus on object structure.
d) Communication Diagrams emphasize timing; State Machine Diagrams emphasize relationships.
Answer: a) Communication Diagrams show object interactions; State Machine Diagrams show state changes.

What do Communication Diagrams and Sequence Diagrams have in common?
a) Both emphasize the sequence of message exchanges.
b) Both depict the interactions between objects.
c) Both focus on the static structure of the system.
d) Both model the deployment of components.
Answer: b) Both depict the interactions between objects.

Which aspect is shared by Communication Diagrams and State Machine Diagrams?
a) Both show the flow of control within a system.
b) Both focus on object states and transitions.
c) Both represent the dynamic behavior of objects.
d) Both emphasize the relationships and interactions among objects.
Answer: c) Both represent the dynamic behavior of objects.

How are Communication Diagrams similar to Activity Diagrams?
a) Both emphasize the sequence of activities.
b) Both illustrate the workflow of the system.
c) Both focus on the interactions between different objects.
d) Both show the states of an object over time.
Answer: b) Both illustrate the workflow of the system.

What is a common feature of Communication Diagrams and Component Diagrams?
a) Both show the physical deployment of software.
b) Both emphasize the relationships between objects or components.
c) Both represent the static structure of a system.
d) Both model the sequence of message exchanges.
Answer: b) Both emphasize the relationships between objects or components.

In what way are Communication Diagrams and Use Case Diagrams similar?
a) Both model the detailed sequence of interactions.
b) Both show high-level functional requirements.
c) Both represent interactions between users and the system.
d) Both emphasize the workflow within the system.
Answer: c) Both represent interactions between users and the system.

What similarity exists between Communication Diagrams and Class Diagrams?
a) Both show the static structure of the system.
b) Both depict the dynamic behavior of objects.
c) Both illustrate the interactions and links between objects.
d) Both emphasize the relationships and hierarchy of objects.
Answer: d) Both emphasize the relationships and hierarchy of objects.

How do Communication Diagrams and Sequence Diagrams both contribute to understanding the system’s behavior?
a) By showing the static relationships among objects.
b) By illustrating the interactions and flow of messages.
c) By modeling the state changes of objects.
d) By representing the physical architecture of the system.
Answer: b) By illustrating the interactions and flow of messages.

Which feature is common between Communication Diagrams and Package Diagrams?
a) Both show the organization and grouping of elements.
b) Both represent the detailed sequence of interactions.
c) Both illustrate the internal structure of classes.
d) Both focus on the deployment of software components.
Answer: a) Both show the organization and grouping of elements.

What is a shared characteristic of Communication Diagrams and Interaction Overview Diagrams?
a) Both focus on the structural organization of objects.
b) Both combine elements of sequence and activity diagrams.
c) Both model the physical deployment of artifacts.
d) Both emphasize the timing of message exchanges.
Answer: b) Both combine elements of sequence and activity diagrams.

How are Communication Diagrams and Timing Diagrams similar?
a) Both depict the interactions between objects over time.
b) Both emphasize the temporal aspects of interactions.
c) Both show the flow of control within the system.
d) Both represent the static structure of the system.
Answer: a) Both depict the interactions between objects over time.

Communication Diagram MCQs
By: Prof. Dr. Fazal Rehman | Last updated: May 29, 2024

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