Deck 4: Domain Modeling

Question 1

An abstract class is used to describe a "thing" that is abstract,i.e.not tangible.

Answer 1

False

Question 2

The noun technique can be thought of as a variation of the brainstorming technique.

Answer 2

False

Question 3

A class of objects is equivalent to a set of objects.

Answer 3

True

Question 4

The ERD crows feet cardinality constraint indicates a mandatory many relationship.

Question 5

A superclass only exists as part of a generalization/specialization.

Question 6

The specific area of the user's business need that is within the scope of the new system is called the _______.

A)use cases"
B)user specifications"
C)functional requirements"
D)problem domain"

Question 7

In UML a zero to many multiplicity constraint is shown with a "O" and crows feet on the line.

Question 8

A piece of information about a particular object is called a(n)_______.

A)identifier"
B)attribute"
C)field"
D)data value"

Question 9

When using the noun technique,the analyst begins by listing all the nouns that the users mention.

Question 10

A semantic net illustrates individual objects within a class diagram.

Question 11

Two techniques to identify things in the problem domain are the noun technique and the verb technique.

Question 12

In generalization/specialization the objects in a subclass are always also contained in the parent class.

Question 13

One technique to find the "things" that need to be included in the new system begins by starting with a user and the use cases and then try to identify the necessary informational "things." This technique is called the _______.

A)domain analysis technique"
B)check list technique"
C)brainstorming technique"
D)noun technique"

Question 14

When making a list of nouns to determine what are the important "things" for the new system,there are three question that should be asked about each noun.Which of the following is one of those questions?

A)Is it a tangible item?"
B)Is it an abstract item?"
C)Who needs information about this item?"
D)Should it be researched further?"

Question 15

One technique for finding "things" that need to be in the new system is done by the analyst starts making lists of "things." He may do this from information and even without talking to the users extensively.This technique is called the _______.

A)domain analysis technique"
B)check list technique"
C)brainstorming technique"
D)noun technique"

Question 16

The cardinality of a class is a measure of the number of objects in the class.

Question 17

When using the brainstorming technique it is often helpful to think about each use case and talking to users.

Question 18

An example of an attribute of an object might be _______.

A)an inventory item"
B)items on a purchase order"
C)a social security number"
D)a calendar"

Question 19

A composite object only exist as part of a whole-part relationship.

Question 20

When identifying things in the problem domain,an analyst should focus primarily on tangible things about which information is required.

Question 21

An attribute that contains a collection of related attributes is called a(n)_______.

A)class attribute"
B)key attribute"
C)compound attribute"
D)association attribute"

Question 22

A relationship between a "sports team" and the players,coaches,and sponsor would be described as what kind of relationship?

A)Aggregation"
B)Composition"
C)Generalization/Specialization"
D)Binary"

Question 23

A measure of the number of links between one object and another object in a relationship is called the _______.

A)linkups"
B)aggregations"
C)associations"
D)cardinality"

Question 24

Which of the following is NOT true about a UML class.

A)It is a classification of objects."
B)It is a set of objects."
C)It is similar to a data entity."
D)It has multiplicity."

Question 25

The domain model class diagram is used to _______ .

A)show the software classes in the problem domain layer of the system"
B)show the things involved in the user's work that are important"
C)show the data entities for the new system"
D)show the relationships among the data entities"

Question 26

The crows feet notation on an ERD is a type of _______ constraint.

A)cardinality"
B)multiplicity"
C)many-to-many"
D)relationship"

Question 27

A synonym for cardinality (used with UML class diagrams)is _______.

A)relationship"
B)multiplicity"
C)inheritance"
D)n-ary relationship"

Question 28

A synonym for cardinality (used with UML class diagrams)is ____.

A)relationship"
B)multiplicity"
C)unary relationship"
D)inheritance"

Question 29

The number of associations that occur among specific things in an entity relationship diagram is called ____.

A)a relationship"
B)an attribution"
C)a binary relationship"
D)cardinality"

Question 30

Which of the following relationships would NOT be an appropriate way to describe a relationship between an employee and his/her manager?

A)Unary relationship"
B)Binary relationship"
C)Generalization/Specialization relationship"
D)Association relationship"

Question 31

_____ is based on the idea that people classify things in terms of similarities and differences.

A)Aggregation"
B)Composition"
C)Multiplicity"
D)Generalization/Specialization"

Question 32

The above cardinality constraint on the Order data entity indicates that there can be _____ .

A)zero or many orders
B)one or many orders
C)many orders
D)cannot be determined without the other side of the relationship

Question 33

A relationship that has a cardinality constraint of one or more is a(n) _______ relationship.

A)mandatory"
B)optional"
C)unary"
D)binary"

Question 34

In UML the constraint denoted by "0..*" indicates what?

A)an optional relationship"
B)a mandatory relationship"
C)only a many maximum relationship"
D)never only one allowed"

Question 35

In the traditional approach to system development,the system stores information about ____.

A)objects"
B)data stores"
C)attributes"
D)data entities"

Question 36

____ is used to describe the relationship between two things of the same type,such as one person being married to another person.

A)Binary association"
B)Unary association"
C)Cardinality"
D)N-ary association"

Question 37

A(n)_______ is a naturally occurring association among specific things.

A)relationship"
B)cardinality"
C)attribute"
D)composition"

Question 38

As association class is frequently required for what kind of relationship?

A)zero to one"
B)one to many"
C)many to many"
D)zero to many"

Question 39

An attribute whose value uniquely identifies an object is called a(n)_______.

A)unique attribute"
B)secure attribute"
C)locking attribute"
D)key attribute"

Question 40

The association shown on the above image is a(n) ________ association.

A)unary
B)binary
C)n-ary
D)undefined

Question 41

_______ is used to describe the actual range of linkups allowed in an association (the minimum and maximum values).

Question 42

In a generalization/specialization relationship,it would not make sense for a class at the bottom of the hierarchy to be a(n) ______ class.

A)composite"
B)association"
C)concrete"
D)abstract"

Question 43

A term in UML that describes a naturally occurring relationship between specific things is called a(n)_______.

Question 44

An association that is also treated as a class is called a(n)_______.

Question 45

The technique for finding problem domain objects by finding and listing all the nouns in a dialog or description is called the _______.

Question 46

The diagram consisting of data entities and their relationships is called a(n)_______ .

Question 47

A class that represents a many-to-many association between two other classes is called a(n)____ class.

A)problem domain"
B)superclass"
C)aggregated"
D)association"

Question 48

Inheritance describes a condition between classes where _______ .

A)some classes are always abstract"
B)subclasses inherit the names from superclasses"
C)classes are part of other classes"
D)classes share some attributes"

Question 49

A descriptive piece of information about a thing or object is called a(n) _______.

Question 50

A UML class that never has any objects within the class is called a(n)_______.

Question 51

If we modeled a "sale" and the "sale items" with a whole-part relationship,it would best be described as a _______ relationship.

A)aggregate"
B)composite"
C)inherited"
D)abstract"

Question 52

A technique to identify problem domain objects in which developers and users work together in an open group setting is called the _______ .

Question 53

In UML notation for object-oriented approach the term _______ is used instead of cardinality.

Question 54

A concept that allows subclasses to share the characteristics of their superclasses is called ____.

A)aggregation"
B)composition"
C)multiplicity"
D)inheritance"

Question 55

A UML class that is allowed to have a set of actual objects within it is called a(n)_______.

Question 56

When analyzing the list of nouns to determine whether to include a particular noun as an important "thing," which of the following questions should be asked about the noun? (choose two)

A)If assumptions change will it be important?"
B)Is it tangible?"
C)Is it unique?"
D)Is it an attribute of some other thing?"
E)Are there multiple instances of it?"
F)Is it identifiable?

Question 57

When words are concatenated together to form a single word and the first letter of each is capitalized it is called _______ notation.

Question 58

The specific area of the user's business need that is within the scope of the new system is called the _______.

Question 59

When analyzing the list of nouns to determine whether to exclude a particular noun as an important "thing," which of the following questions should be asked about the noun? (choose two)

A)Is it in the domain?"
B)Is it a synonym of an existing thing?"
C)Is it a tangible item?"
D)Is it identifiable?"
E)Is it a persistent item?"
F)Is it an output from the system?

Question 60

An attribute for an object which can be used to uniquely identify that object is called a(n)_______.

Question 61

A type of relationship where between classes where the objects in one class are a part of the objects in another class BUT they can also exist as separate objects alone.

Question 62

A type of relationship where between classes where the objects in one class are a part of the objects in another class AND they can only exist as part of the totality.

Question 63

In a relationship where there are superclasses and subclasses,the relationship is called a(n)_______ relationship.

Question 64

List the steps to follow when using the brainstorming technique for finding things.

Question 65

Using the noun technique for finding "things" for the new system,what are the three questions you should ask about each noun you have identified? Explain what each question entails.

Question 66

Describe the difference between the noun technique and the brainstorming technique to find problem domain objects.

Question 67

The general relationship between classes in which one class is a part or component of another class is called a(n)_______ relationship.

Question 68

A drawing which shows individual objects and their links with other objects,and which is used to help understand the problem domain classes is called a(n)_______ .

Question 69

The idea that the attributes of a superclass are also attributes of a subclass is called ______.