Quiz 2.1: Diagrams

Question 1

Which two diagram syntaxes are used in the demo reader?

1. PlantUML and Mermaid
2. SQL and XML
3. JSON and YAML
4. CSS and HTML

Show correct answer

PlantUML and Mermaid

Question 2

What should a diagram fallback preserve?

1. The original diagram source code
2. Only an empty image placeholder
3. The quiz answer key of the course
4. Nothing, the diagram is dropped

Show correct answer

The original diagram source code

Question 3

What does this class diagram say?

PlantUML source for "Question 3"

@startuml
class Student
class Course
Student --> Course : enrolls in
@enduml

Class diagram with 2 class(es) and 1 relation(s).

Classes:

• Class Student without methods and attributes
• Class Course without methods and attributes

Relations:

• Student has an association-relationship named 'enrolls in' with Course

1. A student enrolls in a course
2. A course enrolls in a student
3. A student is a kind of course
4. A course contains no students

Show correct answer

A student enrolls in a course

Question 4

Which diagram shows that a Course is a kind of Subject?

1. This diagram:

   

   PlantUML source for "Question 4, answer A"

   @startuml
   class Course
   class Subject
   Course --|> Subject
   @enduml

   Class diagram with 2 class(es) and 1 relation(s).

   Classes:

   • Class Course without methods and attributes
   • Class Subject without methods and attributes

   Relations:

   • Course extends Subject

2. That diagram:

   

   PlantUML source for "Question 4, answer B"

   @startuml
   class Course
   class Subject
   Subject --|> Course
   @enduml

   Class diagram with 2 class(es) and 1 relation(s).

   Classes:

   • Class Course without methods and attributes
   • Class Subject without methods and attributes

   Relations:

   • Subject extends Course

Show correct answer

This diagram:

PlantUML source for "Question 4, answer A"

@startuml
class Course
class Subject
Course --|> Subject
@enduml

Class diagram with 2 class(es) and 1 relation(s).

Classes:

• Class Course without methods and attributes
• Class Subject without methods and attributes

Relations:

• Course extends Subject