05.05 Modelling With Class Diagrams Structure Charts And Dfds - Quiz¶

Check your understanding

What is the primary purpose of a class diagram?
- To show data flow through a system
- To show the static structure of classes and their relationships { data-correct }
- To show the functional hierarchy
- To show user interactions
In PlantUML ||--o{ represent?class diagrams, what does the symbol
- Inheritance relationship
- One-to-many composition { data-correct }
- Many-to-many association
- Dependency relationship
What type of diagram would be best for showing how a complex task breaks down into simpler subtasks?
- Class diagram
- Structure chart { data-correct }
- Data flow diagram
- Entity relationship diagram
In a Data Flow Diagram, what do circles represent?
- Data stores
- External entities
- Processes that transform data { data-correct }
- Data flows
Look at this PlantUML notation. What relationship does it show?
```
class Student extends Person
```
- Composition
- Association
- Inheritance { data-correct }
- Aggregation
What is the main focus of a Data Flow Diagram?
- Object relationships
- Functional decomposition
- How data moves and transforms through a system { data-correct }
- User interface design
Which diagram type would be most appropriate for showing that a “School” contains multiple “Students”?
- Structure chart
- Data flow diagram
- Class diagram { data-correct }
- Sequence diagram
In DFD notation, what do open rectangles typically represent?
- Processes
- Data stores { data-correct }
- External entities
- Data flows
What is a Level 0 DFD also called?
- Process diagram
- Context diagram { data-correct }
- System diagram
- Flow chart
Which combination of diagrams provides the most complete view of a system design?
- Only class diagrams
- Only structure charts
- Only data flow diagrams
- Class diagrams, structure charts, and DFDs together { data-correct }