Deck 5: Structural Modeling

Question 1

A class diagram is a(n) _____ model.

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

Answer 1

A

Question 2

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

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

Answer 2

C

Question 3

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

Answer 3

B

Question 4

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 5

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 6

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

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

Question 7

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

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

Question 8

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 9

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

Question 10

Which of the following is part of a CRC card?

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

Question 11

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

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

Question 12

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

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

Question 13

Service is another name for _____.

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

Question 14

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 15

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 16

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 17

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

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

Question 18

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 19

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

Question 20

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 21

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

Question 22

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

Question 23

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 24

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 25

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 26

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 27

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

Question 28

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

Question 29

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

Question 30

Abstract classes are used to create objects.

Question 31

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 32

Aggregation relationships can be useful for both aggregation and decomposition.

Question 33

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

Question 34

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

Question 35

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 36

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

Question 37

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

Question 38

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

Question 39

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

Question 40

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 41

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

Question 42

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

Question 43

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

Question 44

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

Question 45

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

Question 46

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

Question 47

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

Question 48

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

Question 49

A constructor operation creates a new instance of a class?

Question 50

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

Question 51

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

Question 52

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

Question 53

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 54

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

Question 55

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 56

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

Question 57

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

Question 58

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

Question 59

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

Question 60

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

Question 61

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 62

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

Question 63

The symbol below represents an aggregation on a class diagram.

Question 64

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 65

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 66

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 67

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 68

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

Question 69

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

Question 70

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

Question 71

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 72

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

Question 73

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

Question 74

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

Question 75

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

Question 76

The symbol below represents an aggregation on a class diagram.

Question 77

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

Question 78

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 79

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 80

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