Chapter 4: Business Process and Functional Modeling

A(n) _____ is a formal way of representing how a business system interacts with its environment.

a. use case

b. physical model

c. relationship

d. system boundary

e. trigger

a. use case

Which of the following diagramming symbols represents an actor in a use case diagram?

stick man

Which of the following diagramming symbols represents a use case in a use case diagram?

hollow oval

Which of the following diagramming symbols represents a subject boundary in a use case diagram?

hollow rectangle

Which of the following diagramming symbols represents a generalization relationship in a use case diagram?

arrow with hollow tip

A scenario is the same as a(n) _____.

a. use case

b. relationship

c. path through a use case

d. collection of use cases

e. role

c. path through a use case

Each use case describes _____ function(s) in which users interact with the system.

a. one

b. one or more

c. many

d. zero, one, or more

e. all

a. one

Jim has documented a use case that describes the functionality of a system as "To compute gross pay, multiply the hours worked that are recorded on the time card from the time clock by the hourly rate that is recorded in the employee master file from the MS SQL server database." This is an example of a(n) _____ use case.

a. overview

b. detail

c. essential

d. real

e. imaginary

d. real

A(n) _____ use case is typically created early in the process of understanding the system requirements as a way of documenting basic information about the use case.

a. overview

b. detail

c. essential

d. real

e. imaginary

a. overview

The importance level of a use case increases for all of the following characteristics of the use case EXCEPT _____.

a. the use case represents an important business process

b. the use case supports revenue generation

c. the technology is proven

d. the functionality is complex

e. the functionality is time-critical

c. the technology is proven

The _____ relationship in use cases allows use cases to support the concept of inheritance.

a. association

b. extend

c. include

d. generalization

e. none of these

d. generalization

The event that causes a use case to begin is called a(n) _____.

a. action

b. trigger

c. hammer

d. anvil

e. stakeholder

b. trigger

Which of the following relationships describe the communication between the use case and the actors?

a. association relationship

b. extend relationship

c. include relationship

d. generalization relationship

e. none of these

a. association relationship

Which of the following relationships represent the extension of the functionality of the use case to cover optional behavior?

a. association relationship

b. extend relationship

c. include relationship

d. generalization relationship

e. optional relationship

b. extend relationship

Which of the relationship types in use cases enables functional decomposition?

a. association relationship

b. extend relationship

c. include relationship

d. generalization relationship

e. decompose relationship

c. include relationship

Individual steps in a use case should be written in the form _____.

a. Direct Object, Verb, Subject, Preposition, Indirect Object

b. Direct Object, Subject, Verb, Preposition, Indirect Object

c. Subject, Verb, Preposition, Indirect Object, Direct Object

d. Subject, Verb, Indirect Object, Preposition, Direct Object

e. Subject, Verb, Direct Object, Preposition, Indirect Object

e. Subject, Verb, Direct Object, Preposition, Indirect Object

If a use case becomes too complex, it should be _____.

a. rewritten to simplify it

b. decomposed into a set of use cases

c. written with a series of repeating steps to simplify it

d. written from the perspective of an independent observe to simplify it

e. dropped from the system, as it will be too complex to implement in the final system

b. decomposed into a set of use cases

The correct sequence of the major steps in creating use case diagrams is _____.

a. identify the major use cases, expand the major use cases, confirm the major use cases, create the use-case diagram

b. identify the major use cases, expand the major use cases, create the use-case diagram, confirm the major use cases

c. create the use-case diagram, identify the major use cases, expand the major use cases, confirm the major use cases

d. create the use-case diagram, identify the major use cases, confirm the major use cases, expand the major use cases

e. identify the major use cases, confirm the major use cases, expand the major use cases, create the use-case diagram

a. identify the major use cases, expand the major use cases, confirm the major use cases, create the use-case diagram

19. When drawing the use-case diagram, an analyst should do the steps in this order: _____.

a. draw the use cases on the diagram, identify the system boundary, place the actors on the diagram, and draw the lines connecting the actors to the use cases

b. identify the system boundary, draw the use cases on the diagram, place the actors on the diagram, and draw the lines connecting the actors to the use cases

c. place the actors on the diagram, draw the use cases on the diagram, identify the system boundary, and draw the lines connecting the actors to the use cases

d. identify the system boundary, place the actors on the diagram, draw the use cases on the diagram, and draw the lines connecting the actors to the use cases

e. none of these gives the correct order of steps

b. identify the system boundary, draw the use cases on the diagram, place the actors on the diagram, and draw the lines connecting the actors to the use cases

A(n) ___________ actor is a separate system that interacts with the current system using standard communication protocols, such as TCP/IP, FTP, or HTTP, or an external database that can be accessed using standard SQL.

a. incremental

b. simple

c. open

d. average

e. complex

d. average

A complex use case is one that has more than _____ unique transactions.

a. 5

b. 7

c. 9

d. 10

e. 12

b. 7

Object nodes model these objects in an activity diagram. Object nodes are portrayed in an activity diagram as _________________.

a. arcs

b. ovals

c. diamonds

d. rectangles

e. rounded rectangles

d. rectangles

A Fork Node in an activity diagram is used to __________ behavior into a set of parallel or concurrent flows of activities (or actions).

a. combine

b. create

c. initialize

d. split

e. represent

d. split

The purpose of a walkthrough is to thoroughly test the fidelity of the functional models to the __________________ and to ensure that the models are consistent.

a. non-functional models

b. use-case diagrams

c. activity diagrams

d. functional requirements

e. use-case descriptions

d. functional requirements

Activity diagrams, use-case descriptions, and use-case diagrams are three different representations for the ___________________ .

a. functional and non-functional model

b. functional model

c. non-functional model

d. design model

e. architectural model

b. functional model

Use cases can be used to document both the current (As-Is) system and the future (To-Be) system.

True

Use cases are the primary drivers for all of the UML diagramming techniques.

True

An essential use case describes the specific set of steps to be followed.

False

A use case that describes functionality that is complex and risky would be given a high importance level.

True

The primary actor is the person or thing that starts the execution of a use case.

True

The include relationship represents the optional inclusion of another use case.

False

Inheritance is supported in use cases through the generalization relationship.

True

An alternate or exceptional flow in a use case documents the decomposition of the normal flow of events.

False

The SVDPI form of sentences in use cases aids in the identification of classes.

True

A very complex use case should be broken down into a set of use cases.

True

An actor is represented in a use case diagram by a stick figure of a man.

True

An include relationship is modeled in a use case diagram by an arrow with the word <> above it.

True

An actor in a use case must be a person.

False

An actor in a use case always represents a specific user.

False

As you work through the SDLC, it is likely that the system boundaries will change.

True

It is a good idea to have the users role play the use cases as a way of confirming them during the analysis phase.

True

A formal way of representing how a business system interacts with its environment is termed a use case.

True

Rectangles are used to represent association relationships in use case diagrams.

False

Each use case can be associated with one or more role(s) that users have in the system.

False

A use case that represents an important business process and involves the use of new technology would likely be given an importance level of medium.

Fale

A use case that begins at the end of the month has a temporal trigger.

True

The use case Take Order has a temporal trigger if it begins when a customer calls to place an order.

False

As Felix is documenting an order entry system, he discovers that someone can call up to place an order that is not a customer. In this case, the Take Order use case will use the Create Customer use case to capture the customer information, and then the order will be taken. This is an example of the extend relationship between use cases.

True

A use case should be written from the perspective of at least one of the actors associated with the use case.

False

A solid line without arrows between an actor and a use case in a use case diagram represents a one-way flow of communication from the actor to the use case.

False

Use cases are typically written to document the normal flow of events. Exceptions that occur in the normal flow need not be documented as part of the use case description.

False

An asterisk on a relationship in a use case diagram represents multiplicity of the association.

True

When drawing use case diagrams, higher level use cases are drawn below lower level use cases.

False

The first step in creating use case diagrams is to identify the primary actors and their goals.

False

Object nodes in an activity diagram are depicted using rectangles.

True

Control flows in an activity diagram show the flow of objects into and out of activities.

False

Control flows in an activity diagram are shown using solid-lines with arrows while object flows are shown using dashed lines with arrows.

True

A decision node in an activity diagram is used to represent the actual test condition that is used to determine which of the paths exiting the node is to be traversed.

True

Paths coming out of a decision node are always mutually-exclusive, while the paths coming out of a fork node are sometimes concurrent and sometimes mutually-exclusive.

False

Join nodes in an activity diagram are used to bring concurrent or parallel flows together back into a single flow.

True

A guard condition represents the value of the decision-test, based on which a particular path from the decision node will be traversed.

True

Setting the scope of the activity being modeled is a task that can be accomplished after completing the activity diagram.

False

Activity diagram is a representation for the non-functional model.

FAlse

Activity diagram, use-case diagram and use-case descriptions are three different representations for the non-functional model.

True

Verification and validation through a walkthrough is to uncover and correct errors or faults in the evolving specification.

False

The presenter role in a walkthrough team is more important than the role maintenance oracle.

False

For a walkthrough to be successful, the members of the walkthrough team MUST be fully prepared.

True

When comparing a use-case description to a use-case diagram for functional model verification and validation, there must be ONE and ONLY ONE use-case description for each use case, and vice versa..

True

A Join Node in an activity diagram is used to split behavior into a set of parallel or concurrent flows of activities (or actions).

false

All object-oriented systems development approaches are use-case driven, architecture-centric, and iterative and incremental..

True