Deck 10: Object-Oriented Systems Analysis and Design Using Uml

Question 1

Which of the following is not a format for sending messages between classes on a sequence diagram?

A)messageName( )
B)messageName(parameter1, parameter2)
C)messageName(parameter1:returnValue, parameter2:returnValue)
D)messageName(paramete

Answer 1

C

Question 2

Solid arrowheads used for messages on a sequence diagram represent:

A)inheritance relationships.
B)return parameters.
C)asynchronous messages.
D)synchronous messages.

Answer 2

D

Question 3

A mechanism for communicating between a server and a mainframe computer is called a:

A)message queue.
B)swimlane.
C)synchronization bar.
D)EBCDIC conversion unit.

Answer 3

A

Question 4

Method overloading means that:

A)the same method may be defined differently in inherited classes.
B)the same method may be defined more than once in a given class.
C)the method may have parameters passed to it from more than one relating class.
D)the method may be used on different platforms, such as a server or client computer.

Question 5

A private attribute on a class diagram:

A)does not change its value for different object instances.
B)is hidden from all classes except immediate subclasses.
C)is only available in the object.
D)is available to the class and all classes that have relationships with the attribute's class.

Question 6

On an activity diagram, what is used to show partitioning?

A)a synchronization bar
B)a swimlane
C)a diamond
D)a filled-in circle

Question 7

Which of the following is a structural diagram?

A)use case diagram
B)statechart diagram
C)sequence diagram
D)class diagram

Question 8

Behavioral diagrams include all of the following except:

A)activity diagrams.
B)communication diagrams.
C)class diagrams.
D)use case diagrams.
E)sequence diagrams.

Question 9

Which of the following is not described by a use case?

A)the actor that initiates an event
B)the use case that performs the actions
C)the event that triggers the use case
D)the objects required by the use case

Question 10

Which of the following are not shown on an activity diagram?

A)classes
B)events
C)decisions that are made
D)sequential activities

Question 11

When attributes are preceded by a minus sign, it means that:

A)the attributes are private.
B)the attributes are public.
C)the attributes are static.
D)the attributes are undefined.

Question 12

What is used to show time ordering on a communication diagram?

A)a sequence number
B)a synchronous arrow
C)an asynchronous arrow
D)a focus of control

Question 13

Which of the following is the main goal of the object-oriented approach?

A)maintaining systems
B)minimizing the impact of change
C)reusability
D)functional control

Question 14

When classes are involved in inheritance, another name for a child class is:

A)a base class.
B)a derived class.
C)a superclass.
D)an instantiated class.

Question 15

A template that the analyst may use when beginning to model or talk about the system from an O-O perspective is called a:

A)CRC card.
B)UML descriptor.
C)whole-part structure.
D)design layer.
E)User Message Language.

Question 16

On an activity diagram, what is used to show parallel activities?

A)an arrow
B)a synchronization bar
C)a swimlane
D)a diamond

Question 17

On a sequence diagram, a lateral bar or vertical rectangle is used to represent:

A)messages sent between classes.
B)the time sequence of activities.
C)the focus of control, when an object is busy doing things.
D)the lifeline for the class or object.

Question 18

Which type of class represents real-world items?

A)entity
B)interface
C)abstract
D)control

Question 19

Which of the following is not one of the six most commonly used UML diagrams?

A)activity diagram
B)CRC card relationship diagram
C)use case diagram
D)statechart diagram

Question 20

Which of the following is not one of the main components of UML?

A)things
B)relationships
C)entities
D)diagrams

Question 21

Objects are part of a general concept called classes.

Question 22

CRC stands for class, requirements, and collaborators.

Question 23

When using inheritance, the child class is also know as a ________ class.

A)parent
B)derived
C)primary
D)secondary

Question 24

________ show the same information as a sequence diagram.

A)Communication diagrams
B)Concept diagrams
C)Structural diagrams
D)Behavioral diagrams.

Question 25

Objects are represented by and grouped into ________ that are optimal for reuse and maintainability.

A)objects
B)views
C)classes
D)displays

Question 26

The term ________ is used when an object is created from a class.

A)class
B)updated
C)made
D)instantiate

Question 27

An object defines a set of shared attributes and behaviors found in each class for the object.

Question 28

When one class is created from another class it is called ________.

A)inheritance
B)dower
C)parenting
D)settlement

Question 29

________ describe the interactions of two or more things that perform a behavior that is more than any one of the things can do alone.

A)Communication diagrams
B)Concept diagrams
C)Structural diagrams
D)Behavioral diagrams.

Question 30

________ diagrams are used to model the static structural design view of a system.

A)Class
B)Concept diagrams
C)Structural diagrams
D)Behavioral diagrams.

Question 31

UML consists of things, relationships, and diagrams.

Question 32

Which type of class cannot be directly instantiated?

A)entity
B)interface
C)abstract
D)control

Question 33

Which type of class provides a means for users to work with the system?

A)entity
B)boundary or interface
C)abstract
D)control

Question 34

Which type of class acts as a coordinator when implementing classes?

A)entity
B)interface
C)abstract
D)control

Question 35

Object-oriented techniques work well in situations where ________ information systems are undergoing continuous maintenance, adaptation, and redesign.

A)complicated
B)simple
C)highly technical
D)global

Question 36

A ________, ________, and ________ card may be used when the analyst is beginning to model or talk about the system from an O-O perspective.

A)class; responsibilities; collaborators
B)class; responsibilities; collections
C)class; revisions; collaborators
D)collection; responsibilities; collaborators

Question 37

Which of the following is not a way to store and retransmit data from a Web page?

A)Store the information in a cookie.
B)Include the information in the URL.
C)Store the data in a message queue.
D)Include the data in a hidden field.

Question 38

A statechart diagram is created for:

A)a single class.
B)a single use case.
C)an activity on an activity diagram.
D)a group of classes connected with relationships.

Question 39

________ reduces programming labor by reusing common objects easily.

A)Inheritance
B)Dower
C)Parenting
D)Settlement

Question 40

In inheritance, the original or parent class is known as the derived class.

Question 41

Transient objects do not survive the end of session.

Question 42

An entity class represents an entity on an entity-relationship diagram.

Question 43

An activity diagram shows the flow of information between two or more use cases.

Question 44

A use case model describes what a system does without describing how the system does it.

Question 45

Structural diagrams are used to show the interaction between people and a use case.

Question 46

An asynchronous message is when the calling program waits for control to be returned to it.

Question 47

State transition diagrams illustrate a succession of interactions between classes or object instances over time.

Question 48

A deployment diagram shows the physical implementation of the system.

Question 49

A statechart diagram is created to show how several classes change each other's states.

Question 50

The analyst should create use cases to define every system function, including queries and reports.

Question 51

Polymorphism means that the subclass may inherit a parent method but may add to it or modify it.

Question 52

An abstract class cannot be directly instantiated.

Question 53

Partitioning on an activity diagram is shown using swimlanes.

Question 54

The first iteration of analysis should be at a very low level to identify the system objects.

Question 55

Swimlanes are useful to show how the data must be transmitted or converted.

Question 56

Aggregation shows that the whole object is composed of the sum of its parts.

Question 57

On a sequence diagram, a lateral bar or vertical rectangle shows the focus of control.

Question 58

An association class is used to represent whole/part relationships.

Question 59

Behavioral things describe how things work.

Question 60

A communication diagram shows the same thing as a state transition diagram.

Question 61

When messages are passed from one class to another, the receiving class must have a method corresponding to the message name.

Question 62

List the diagrams included in behavioral diagrams.

Question 63

Describe the difference between a class and an object.

Question 64

Aggregation provides a means of showing that the whole object is composed of the sum of its parts (other objects).

Question 65

An abstract class cannot be directly instantiated.

Question 66

An entity class represents real-world items.

Question 67

A boundary class acts as a coordinator when implementing classes.

Question 68

What is polymorphism?

Question 69

What is UML? What are the three major elements of UML?

Question 70

A public attribute is only available in the object.

Question 71

A boundary or interface class provides a means for users to work with the system.

Question 72

List the and describe four categories into which classes fall.

Question 73

Temporal events occur at a predetermined time.

Question 74

Association classes are those that are used to break up a many-to-many association between classes.

Question 75

Cookies are the only way to store data on the client computer that will exist beyond the current session.

Question 76

Component diagrams show a global view of the system architecture.

Question 77

Collection is the relationship that exists when the whole has a responsibility for the part.

Question 78

Polymorphism is when the object-oriented program may have several versions of the same method with the same name in a superclass/subclass relationship.

Question 79

A deferred event is one that is held until an object changes state to one that can accept the event.

Question 80

Signals or synchronous messages occur when a program does not wait for a returning message.