UML Extra Quiz

What is the primary purpose of a process diagram in system modelling?

• To provide a technical overview of the system architecture

• To illustrate detailed actions within each business process

• To define the core functionalities the system should produce

• To show the exact order and timing of processes in the system

Answer explanation

Reference: Page 9 of the reader

How many types of structure diagrams are there in UML?

• 12

• 7

• 14

• 5

Answer explanation

Reference: Page 14 of the reader

From all the diagrams below, which one shows a strong whole/part relationship?

• 
• 
• 
• 

Answer explanation

Reference: Page 38 of the reader

Which of the following statements about use case diagrams is true?

• They are used to describe non-functional requirements.

• They show the internal workings of the system.

• They summarize relationships between use cases, actors, and systems.

• They include detailed information about the order of operations in the system.

Answer explanation

Reference: Page 15 of the reader

What is the symbol for a Final Node in an Activity Diagram?

• Rectangle with rounded corners

• Solid circle within a hollow circle

• Solid square

• Open arrowhead line

Answer explanation

Reference: Page 29 of the reader

How can a class diagram show a generalization relationship between two classes?

• By using a dotted line with an open diamond

• By using a solid line with no arrows

• By using an open arrow with a filled triangle

• By using an open triangle as the arrowhead

Answer explanation

Reference: Page 39 of the reader

What is a "transition" in a UML State Machine Diagram?

• The action performed at the initial state
  
  

• The state of an object during an event

• The movement from one state to another in response to an event

• None of the above

Answer explanation

Reference: Page 46 of the reader

Which of the following statements is correct?

• 
  Every association is a composition, but not every composition is an aggregation.

• Not every composition is an aggregation, but every aggregation is an association.

• Every aggregation is an association, and every association is an aggregation

• Every composition is an aggregation, and every aggregation is an association.

Answer explanation

Reference: Page 37 of the reader

In the diagram shown, indicated by the red arrow is an/a ____

• Event

• Guard

• Action

• None of the above

Answer explanation

Reference: Page 47 of the reader

In the diagram shown, if the access code is initially incorrect but later resolved, which action does the system perform next?

• The system requests the user to input the amount.

• The system retries verifying the access code.

• The system terminates the transaction.

• The system skips directly to dispensing cash.