In a class diagram, an association between two classes implies a unidirectional relationship where one class depends on the other.True or False?Select one:TrueFalse

Inheritance relationships in a class diagram always indicate a "is a" relationship between the derived class and the base class.True or False?Select one:TrueFalse

A multiplicity value of "0..1" in a class diagram indicates that an association is mandatory and must have at least one instance.True or False?Select one:TrueFalse

Which one of the following statements about association is true?Group of answer choicesAssociation can be used to express the number of links existing between classesThere cannot be multiple associations between classes in UMLAggregation association expresses that one class exist dependently on another classComposition association expresses that one class exist independently on another class

What does an association relationship represent in UML?A change in one element may affect anotherA bi-directional relationship between two classesAn 'is-a' relationship between a general and specific classThe implementation of an interface by a class or component

What does the term "association class" refer to in a class diagram?a.A class with only abstract methodsb.A class that mediates a relationship between two other classesc.A class that contains only attributes and no methodsd.A class that represents a generic entity in the system