Deck 5: Structural Modeling

Question 1

A _____ object is an instance of a class that sends a request to an instance of another class for an operation to be executed.

A) client
B) server
C) contract
D) requester
E) CRC

Answer 1

A

Question 2

Which of the following is part of a CRC card?

A) class name
B) type
C) description
D) responsibilities
E) all of these

Answer 2

E

Question 3

If a "student signs up for a class," which type of relationship would you use to model the relationship between the two?

A) generalization
B) association
C) aggregation
D) subsetting
E) vague

Answer 3

B

Question 4

Which of the following will be converted to methods in later phases of the SDLC?

A) attributes
B) operations
C) classes
D) objects
E) abstract classes

Question 5

Which of the following would most likely not be an example of an attribute?

A) employee name
B) customer address
C) stock number
D) ISBN number
E) cancel appointment

Question 6

Which of the following are used to create objects?

A) concrete objects
B) abstract objects
C) concrete classes
D) abstract classes
E) concrete instances

Question 7

"A-kind-of" relationships represent _____ relationships.

A) generalization
B) association
C) aggregation
D) subsetting
E) vague

Question 8

Which of the following types of attributes is not proper in an analysis class?

A) integers
B) strings
C) doubles
D) compound
E) date

Question 9

A class diagram is a(n) _____ model.

A) static
B) dynamic
C) evolving
D) obsolete
E) none of these

Question 10

Which of the following would not be an appropriate class name?

A) student
B) patient
C) John
D) customer
E) doctor

Question 11

"A-part-of" or "has-parts" relationships represent _____ relationships.

A) generalization
B) association
C) aggregation
D) subsetting
E) vague

Question 12

A(n) _____ formalizes the interactions between a client and server object.

A) relationship
B) contract
C) abstract object
D) concrete object
E) abstraction

Question 13

A _____ object is the instance of a class that receives a request from another object.

A) client
B) server
C) contract
D) provider
E) CRC

Question 14

A public attribute is shown in a class diagram with the symbol _____ before the name.

A) -
B) #
C) *
D) +
E) /

Question 15

Service is another name for _____.

A) attribute
B) class
C) abstract class
D) operation
E) object

Question 16

An _____ of an analysis class represents a piece of information that is relevant to the description of the class.

A) instance
B) object
C) attribute
D) operation
E) relationship

Question 17

A collaboration consists of _____.

A) two instances of a class talking with each other
B) two instances of a class knowing the value of each others attributes
C) a set of classes that share common operations
D) a set of classes that are all related to one another
E) a set of classes involved in a use case

Question 18

CRC cards are used to document the responsibilities and collaborations of a(n) _____.

A) class
B) relationship
C) object
D) attribute
E) operation

Question 19

A mechanism for developing CRC cards is for the user or analyst to role-play as if they are an instance of the class. This process is called _____.

A) acting
B) anthropomorphism
C) interviewing
D) anamorphous
E) observation

Question 20

A(n) _____ of an analysis class is where the behavior of the class is defined.

A) operation
B) attribute
C) class
D) object
E) abstract class

Question 21

CRC cards are used to capture all of the relevant information associated with a class.

Question 22

The symbol for a class in a class diagram contains the name of the class, a list of the attributes, and a list of operations.

Question 23

Object diagram is just another name for class diagram; they both show the same information.

Question 24

Many different approaches have been suggested to aid the analyst in identifying a set of candidate objects for the structural model. The four most common approaches are textual analysis, brainstorming, common object lists, and _______________.

A) use cases
B) business models
C) patterns
D) nouns
E) verbs

Question 25

Text analysis is one of the four approaches to aid the analysis in identifying a set of candidate objects for the structural model. Textual analysis is an analysis of the text in the ___________________.

A) business models
B) use case descriptions
C) class diagrams
D) activity diagrams
E) use case diagrams

Question 26

A common object list is a list of objects that are common to business domains.

Question 27

A class diagram is a dynamic model that shows how the classes and relationships change over time.

Question 28

A contract formalizes the interactions between one client object and other client objects.

Question 29

Views are often used to provide the user a complete picture of the class diagram.

Question 30

Patterns can be reused in the development of object-oriented systems.

Question 31

Abstract classes are used to create objects.

Question 32

This chapter suggested three representations that could be used for structural modeling: CRC cards, class diagrams, and ___________________.

A) object diagrams
B) use case diagrams
C) activity diagrams
D) use case description
E) business models

Question 33

One of rules for verifying the structural model is to check that the object type of the attributes listed on the back of the CRC card and with the attributes in the attribute list of the class on a class diagram implies _______________from the class to the class of the object type.

A) an inheritance
B) an aggregation
C) a dependence
D) an association
E) a communication

Question 34

The responsibilities of a class can be divided into knowing and doing types.

Question 35

Aggregation relationships can be useful for both aggregation and decomposition.

Question 36

Role-playing an instance of a class is a good way to develop CRC cards.

Question 37

One way to identify objects for the class diagram is to scan the use case descriptions for ___________________.

A) relationships
B) object lists
C) patterns
D) nouns
E) verbs

Question 38

A structural model is a formal way of representing the business activities in a business system.

Question 39

It is possible for the multiplicity of a relationship to be "zero or more."

Question 40

Association relationships are used for the relationship between instances of two classes when the relationship is not specific enough to be considered a generalization or an aggregation relationship.

Question 41

*..1 is a valid multiplicity on a relationship in a class diagram.

Question 42

In the symbol for a class, the name goes in the bottom compartment.

Question 43

Patterns are useful for identifying classes, attributes, operations, and relationships in certain business domains.

Question 44

The update operation makes information about the state of an object available to other objects without altering the object.

Question 45

Age is an example of a derived attribute in a class since it can be computed from the date-of-birth attribute and the current date.

Question 46

The default visibility for an attribute in a class diagram is public.

Question 47

A constructor operation creates a new instance of a class?

Question 48

The multiplicity zero or more is signified by the notation 0..*.

Question 49

Operations of a class are listed in the bottom compartment of the class symbol.

Question 50

A class symbol has the attributes listed in the top compartment.

Question 51

The main building blocks of a class diagram are the relationships between entities

Question 52

The default visibility of an operation in a class diagram is public.

Question 53

Books have been written that list useful patterns for a wide variety of business domains.

Question 54

A derived attribute that is stored is shown on a class diagram with the symbol # before the name.

Question 55

Textual analysis is the review of corporate documents to identify potential objects, attributes, operations, and relationships.

Question 56

The symbol - before the name of an attribute on a class diagram represents a private attribute.

Question 57

The multiplicity one-or-more on a relationship is signified by the notation 1..M.

Question 58

Part of the process of creating CRC cards is role-playing them, where individuals perform the operations for the class on the card.

Question 59

The query operation will change the value of one or more of an object's attributes.

Question 60

When classes share a many-to-many relationship, it is common to create a(n) associattion class that has its own attributes and methods.

Question 61

In the textual analysis of a use case, the use case name suggests possible classes while the verbs suggest possible operations.

Question 62

An analyst has discovered two classes where one appears to be a superclass and the other a subclass. What type of relationship is used to model this association on a structural model? What is the notation that is used? Draw an example of how this would be illustrated on a class diagram.

Question 63

The set of rules used for verifying and validating the structural model is to check the consistency between CRC cards and class diagrams of the structural model.

Question 64

Common object lists technique identifies candidate objects for a structural model by analyzing a list of objects that are common to the business domain.

Question 65

In textual analysis of a use case, a doing verb implies an operation.

Question 66

The symbol below represents an aggregation on a class diagram.

Question 67

Define what a structural model is. Why should a systems analyst create one? Why is the creation of a structural model iterative?

Question 68

One of the rules used for verifying and validating the structural model is to check that the responsibilities listed on the front of the CRC card must be included as attributes in a class on a class diagram, and vice versa.

Question 69

A(n) object diagram may be created to make a class diagram easier to read by grouping classes together.

Question 70

Common object lists technique identifies candidate objects for a structural model by analyzing the text in the use-case descriptions.

Question 71

The symbol below represents an aggregation on a class diagram.

Question 72

A diamond at the end of a relationship in a class diagram represents the many side of the relationship.

Question 73

A view is used to simplify a class diagram by subsetting the information available on the diagram for viewing.

Question 74

One of the rules used for verifying and validating the structural model is to check that every CRC card should be associated with a class on the class diagram, and vice-versa.

Question 75

One of the rules used for verifying and validating the structural model is to check that the object type of the attributes listed on the back of the CRC card and with the attributes in the attribute list of the class on a class diagram implies an aggregation from the class to the class of the object type.

Question 76

The four most common approaches have been suggested to aid the analyst in identifying a set of candidate objects for the structural model are textual analysis, brainstorming, common object lists, and design patterns.

Question 77

Define the following terms: class, attribute, and operation. Give examples of each.

Question 78

Textual analysis to aid the analyst in identifying a set of candidate objects for the structural model is an analysis of the text in the business model.

Question 79

CRC cards, class diagrams, and object diagrams are three representations could be used for structural modeling.

Question 80

A pattern is a group of collaborating classes that solve a recurring problem.