OBJECT ORIENTED DATA MODELING QUIZ

In UML, a class is represented by a rectangle with three compartments separated by vertical lines.

False

True

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Multiple inheritance allows a class to inherit features from more than one superclass.

False

True

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When a business rule involves three or more graphical symbols, you can show the constraint as a note and attach the note to each of the symbols by a dashed line.

False

True

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The fact that the same operation may apply to two or more classes is called what?

Polymorphism

Encapsulation

Inheritance

Multiple classification

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An object's state is determined by its attribute values and links to other objects.

True

False

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Which of the following applies to a class rather than an object?

Update

Query

Scope

Constructor

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Each association has two or more roles.

True

False

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In an object diagram, an object is represented as a rectangle with two compartments.

True

False

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A UML diagram includes which of the following?

Class name

All of these

List of attributes

List of operations

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Aggregation is which of the following?

Expresses a part-of relationship and is a weaker form of an association relationship.

Expresses an is-a relationship and is a stronger form of an association relationship.

Expresses a part-of relationship and is a stronger form of an association relationship.

Expresses an is-a relationship and is a weaker form of an association relationship.

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