Question 1

A class-scope operation applies to a class rather than an object instance.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following refers to a set of objects that share common structures and behaviors?

Accepted Answer

A)  Supertype 
B)  Object class 
C)  Model 
D)  Entity group 
A)  Supertype 
B)  Object class 
C)  Model 
D)  Entity group

Question 3

An entity that has a well-defined role in the application domain and has a state, behavior, and identity is called an object.

Accepted Answer

A) True 
 B)False

Question 4

When specifying a business rule between graphical symbols, a ________ is drawn from one element to the other.

Accepted Answer

A)  dashed arrow 
B)  dashed asterisk 
C)  highlighted union 
D)  highlighted intersect 
A)  dashed arrow 
B)  dashed asterisk 
C)  highlighted union 
D)  highlighted intersect

Question 5

What is the difference between an abstract class and a concrete class?

Accepted Answer

An abstract class is a class t

Question 6

Which of the following is a function or service provided by all instances of a class?

Accepted Answer

A)  Operation 
B)  Implementation 
C)  Class group 
D)  Query 
A)  Operation 
B)  Implementation 
C)  Class group 
D)  Query

Question 7

The process of replacing a method inherited from a superclass by a more specific implementation of the method in a subclass is called:

Accepted Answer

A)  inheritance. 
B)  encapsulation. 
C)  polymorphism. 
D)  overriding. 
A)  inheritance. 
B)  encapsulation. 
C)  polymorphism. 
D)  overriding.

Question 8

An operation that creates a new instance of a class is called a(n):

Accepted Answer

A)  query operation. 
B)  update operation. 
C)  scope operation. 
D)  constructor operation. 
A)  query operation. 
B)  update operation. 
C)  scope operation. 
D)  constructor operation.

Question 9

If a subclass of a company inherits an operation to compute a tax but extends the inherited behavior by adding a foreign surcharge, this is an example of overriding for extension.

Accepted Answer

A) True 
 B)False

Question 10

An object encapsulates both data and behavior.

Accepted Answer

A) True 
 B)False

Question 11

An object class is a set of objects that share a common structure and behavior.

Accepted Answer

A) True 
 B)False

Question 12

A diagram that shows the static structure of an object-oriented model is called a(n):

Accepted Answer

A)  structure diagram. 
B)  class diagram. 
C)  entity diagram. 
D)  data flow diagram. 
A)  structure diagram. 
B)  class diagram. 
C)  entity diagram. 
D)  data flow diagram.

Question 13

An abstract operation describes the implementation of an operation.

Accepted Answer

A) True 
 B)False

Question 14

According to the UML Notation Guide, overlapping means:

Accepted Answer

A)  a descendant may be descended from more than one of the subclasses. 
B)  a descendant may not be descended from more than one of the subclasses. 
C)  all subclasses have been specified, and no others are expected. 
D)  the list of objects is stable, but relationships will change. 
A)  a descendant may be descended from more than one of the subclasses. 
B)  a descendant may not be descended from more than one of the subclasses. 
C)  all subclasses have been specified, and no others are expected. 
D)  the list of objects is stable, but relationships will change.

Question 15

A(n) ________ is a concept, abstraction, or thing that has a state, behavior, and identity.

Accepted Answer

A)  relationship 
B)  attribute 
C)  key 
D)  object 
A)  relationship 
B)  attribute 
C)  key 
D)  object

Question 16

The object-oriented systems development cycle consists of four phases.

Accepted Answer

A) True 
 B)False

Question 17

Overriding for optimization implements a new operation with improved code by exploiting the restrictions imposed by the superclass.

Accepted Answer

A) True 
 B)False

Question 18

________ is the technique of hiding the internal implementation details of an object from its external view.

Accepted Answer

A)  Grouping 
B)  Encapsulation 
C)  Classification 
D)  Mining 
A)  Grouping 
B)  Encapsulation 
C)  Classification 
D)  Mining

Question 19

What is encapsulation?

Accepted Answer

The technique of hiding the internal imp

Question 20

An instance of a subclass is not always an instance of its superclass.

Accepted Answer

A) True 
 B)False

A class-scope operation applies to a class rather than an object instance.

Which of the following refers to a set of objects that share common structures and behaviors?

An entity that has a well-defined role in the application domain and has a state, behavior, and identity is called an object.

When specifying a business rule between graphical symbols, a ________ is drawn from one element to the other.

What is the difference between an abstract class and a concrete class?

Which of the following is a function or service provided by all instances of a class?

The process of replacing a method inherited from a superclass by a more specific implementation of the method in a subclass is called:

An operation that creates a new instance of a class is called a(n):

If a subclass of a company inherits an operation to compute a tax but extends the inherited behavior by adding a foreign surcharge, this is an example of overriding for extension.

An object encapsulates both data and behavior.

An object class is a set of objects that share a common structure and behavior.

A diagram that shows the static structure of an object-oriented model is called a(n):

An abstract operation describes the implementation of an operation.

According to the UML Notation Guide, overlapping means:

A(n) ________ is a concept, abstraction, or thing that has a state, behavior, and identity.

The object-oriented systems development cycle consists of four phases.

Overriding for optimization implements a new operation with improved code by exploiting the restrictions imposed by the superclass.

________ is the technique of hiding the internal implementation details of an object from its external view.

What is encapsulation?

An instance of a subclass is not always an instance of its superclass.

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

A class-scope operation applies to a class rather than an object instance.

Which of the following refers to a set of objects that share common structures and behaviors?

An entity that has a well-defined role in the application domain and has a state, behavior, and identity is called an object.

When specifying a business rule between graphical symbols, a ________ is drawn from one element to the other.

What is the difference between an abstract class and a concrete class?

Which of the following is a function or service provided by all instances of a class?

The process of replacing a method inherited from a superclass by a more specific implementation of the method in a subclass is called:

An operation that creates a new instance of a class is called a(n):

If a subclass of a company inherits an operation to compute a tax but extends the inherited behavior by adding a foreign surcharge, this is an example of overriding for extension.

An object encapsulates both data and behavior.

An object class is a set of objects that share a common structure and behavior.

A diagram that shows the static structure of an object-oriented model is called a(n):

An abstract operation describes the implementation of an operation.

According to the UML Notation Guide, overlapping means:

A(n) ________ is a concept, abstraction, or thing that has a state, behavior, and identity.

The object-oriented systems development cycle consists of four phases.

Overriding for optimization implements a new operation with improved code by exploiting the restrictions imposed by the superclass.

________ is the technique of hiding the internal implementation details of an object from its external view.

What is encapsulation?

An instance of a subclass is not always an instance of its superclass.

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