OBJECT ORIENTED DATA MODELING QUIZ

True

False

Encapsulation

Inheritance

Aggregation

All of these

Entity

Attribute

Relationship

Cardinality

False

True

A class that has direct instances, but whose descendants may have direct instances.

A class that has direct instances, but whose descendants may not have direct instances.

A class that has no direct instances, but whose descendants may not have direct instances

A class that has no direct instances, but whose descendants may have direct instances.

True

False

Zero

All of these

More than one

One

A class includes encapsulates only data.

An object is an instance of a class.

A class is an instance of an object.

An object includes encapsulates only data.

Class name

All of these

List of operations

List of attributes

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

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