Question 1

In composition, a part belongs to many whole objects.

Accepted Answer

A) True 
 B)False  False

Question 2

What is the purpose of a constructor operation?

Accepted Answer

A constructor operator creates a new instance of a class.

Question 3

In the figure below, which of the following is true?

Accepted Answer

A)  A faculty may advise only one student. 
B)  A faculty may advise up to a maximum of 10 students. 
C)  A course offering may be offered for multiple courses. 
D)  A student can have more than one advisor. 
A)  A faculty may advise only one student. 
B)  A faculty may advise up to a maximum of 10 students. 
C)  A course offering may be offered for multiple courses. 
D)  A student can have more than one advisor. B

Question 4

An aggregation expresses a part-of relationship between a component object and an aggregate object.

Accepted Answer

A) True 
 B)False

Question 5

A constructor operation does not alter an instance of a class.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is a reason for using an object-oriented design?

Accepted Answer

A)  The analysis model is not formal enough to be implemented in a programming language. 
B)  The actual system is not adapted to the environment in which the system will actually be implemented. 
C)  Documentation is provided. 
D)  Traditional ERD is preferred. 
A)  The analysis model is not formal enough to be implemented in a programming language. 
B)  The actual system is not adapted to the environment in which the system will actually be implemented. 
C)  Documentation is provided. 
D)  Traditional ERD is preferred.

Question 7

A class-scope attribute is an attribute of a class that specifies a value common to an instance of a class.

Accepted Answer

A) True 
 B)False

Question 8

What is the difference between a class and an object?

Accepted Answer

A class is an entity type with

Question 9

When an object is an instance of more than one class, it is called:

Accepted Answer

A)  multiplicity. 
B)  polymorphism. 
C)  multiple classification. 
D)  multiple associations. 
A)  multiplicity. 
B)  polymorphism. 
C)  multiple classification. 
D)  multiple associations.

Question 10

A graph of instances that are compatible within a class diagram is called a(n):

Accepted Answer

A)  object group. 
B)  method chart. 
C)  object diagram. 
D)  ERD. 
A)  object group. 
B)  method chart. 
C)  object diagram. 
D)  ERD.

Question 11

A ternary relationship can easily be replaced by three binary relationships.

Accepted Answer

A) True 
 B)False

Question 12

The process of replacing a method inherited from a superclass by a more specific implementation of that method in a subclass is called underwriting.

Accepted Answer

A) True 
 B)False

Question 13

Polymorphism occurs when the same operation may apply to two or more classes in different ways.

Accepted Answer

A) True 
 B)False

Question 14

In overriding for restriction, the protocol of the new operation in the subclass is restricted.

Accepted Answer

A) True 
 B)False

Question 15

A destructor operation creates a new instance of a class.

Accepted Answer

A) True 
 B)False

Question 16

An association role is the end of an association where it connects to a class.

Accepted Answer

A) True 
 B)False

Question 17

Overriding is the process of replacing a method inherited from a superclass by a more specific implementation of that method in a subclass.

Accepted Answer

A) True 
 B)False

Question 18

A part object which belongs to only one whole object and which lives and dies with the whole object is called a:

Accepted Answer

A)  dependent. 
B)  weak entity. 
C)  composition. 
D)  declarative. 
A)  dependent. 
B)  weak entity. 
C)  composition. 
D)  declarative.

Question 19

It is only through an operation that other objects can access or manipulate information stored in an object.

Accepted Answer

A) True 
 B)False

Question 20

A(n) ________ encompasses an object's properties and the values of those properties.

Accepted Answer

A)  state 
B)  attribute 
C)  method 
D)  behavior 
A)  state 
B)  attribute 
C)  method 
D)  behavior

In composition, a part belongs to many whole objects.

What is the purpose of a constructor operation?

In the figure below, which of the following is true?

An aggregation expresses a part-of relationship between a component object and an aggregate object.

A constructor operation does not alter an instance of a class.

Which of the following is a reason for using an object-oriented design?

A class-scope attribute is an attribute of a class that specifies a value common to an instance of a class.

What is the difference between a class and an object?

When an object is an instance of more than one class, it is called:

A graph of instances that are compatible within a class diagram is called a(n):

A ternary relationship can easily be replaced by three binary relationships.

The process of replacing a method inherited from a superclass by a more specific implementation of that method in a subclass is called underwriting.

Polymorphism occurs when the same operation may apply to two or more classes in different ways.

In overriding for restriction, the protocol of the new operation in the subclass is restricted.

A destructor operation creates a new instance of a class.

An association role is the end of an association where it connects to a class.

Overriding is the process of replacing a method inherited from a superclass by a more specific implementation of that method in a subclass.

A part object which belongs to only one whole object and which lives and dies with the whole object is called a:

It is only through an operation that other objects can access or manipulate information stored in an object.

A(n) ________ encompasses an object's properties and the values of those properties.

The Database Environment and Development Process

Modeling Data in the Organization

The Enhanced E-R Model

Logical Database Design and the Relational Model

Physical Database Design and Performance

Introduction to SQL

Advanced SQL

Database Application Development

Data Warehousing

Data Quality and Integration

Big Data and Analytics

Data and Database Administration

Distributed Databases

Filters

Exam 14: Object-Oriented Data Modeling

In composition, a part belongs to many whole objects.

What is the purpose of a constructor operation?

In the figure below, which of the following is true?

An aggregation expresses a part-of relationship between a component object and an aggregate object.

A constructor operation does not alter an instance of a class.

Which of the following is a reason for using an object-oriented design?

A class-scope attribute is an attribute of a class that specifies a value common to an instance of a class.

What is the difference between a class and an object?

When an object is an instance of more than one class, it is called:

A graph of instances that are compatible within a class diagram is called a(n):

A ternary relationship can easily be replaced by three binary relationships.

The process of replacing a method inherited from a superclass by a more specific implementation of that method in a subclass is called underwriting.

Polymorphism occurs when the same operation may apply to two or more classes in different ways.

In overriding for restriction, the protocol of the new operation in the subclass is restricted.

A destructor operation creates a new instance of a class.

An association role is the end of an association where it connects to a class.

Overriding is the process of replacing a method inherited from a superclass by a more specific implementation of that method in a subclass.

A part object which belongs to only one whole object and which lives and dies with the whole object is called a:

It is only through an operation that other objects can access or manipulate information stored in an object.

A(n) ________ encompasses an object's properties and the values of those properties.

The Database Environment and Development Process

Modeling Data in the Organization

The Enhanced E-R Model

Logical Database Design and the Relational Model

Physical Database Design and Performance

Introduction to SQL

Advanced SQL

Database Application Development

Data Warehousing

Data Quality and Integration

Big Data and Analytics

Data and Database Administration

Distributed Databases

Filters