Deck 13: System Modeling With the Uml

Question 1

An ____ variation is a use case variation that shows functions beyond those found in a base case.

A) external
B) enhanced
C) extend
D) evaluation

Answer 1

C

Question 2

An Object diagram often includes users, represented by stick figures, and use cases, represented by ovals.

Answer 2

False

Question 3

____ is the process of creating an improved model of an existing system.

A) Reversing
B) Remodeling
C) Re-engineering
D) Reverse engineering

Answer 3

D

Question 4

_____ is the detailed specification of how all the parts of a system will be implemented and coordinated.

A) System design
B) Cardinality
C) Modeling
D) Component diagramming

Question 5

As with a hierarchy chart, you use the UML to create top-view diagrams of business processes that let you hide details and focus on functionality.

Question 6

Good modeling techniques are only important as the size and complexity of systems increase.

Question 7

The flow of control follows only one path after a fork.

Question 8

Each variation in the sequence of actions required in a use case is a ____.

A) scenario
B) construct
C) process
D) development

Question 9

The UML superstructure groups the diagram types into two broad categories: structure diagrams and object diagrams.

Question 10

Good models promote communication among technical and nontechnical workers while ensuring good business solutions.

Question 11

Child classes contain all the attributes of their parents and usually contain additional attributes not found in the parent.

Question 12

The UML is widely recognized and seldom criticized as a modeling standard.

Question 13

You use a(n) ____ variation when a case can be part of multiple use cases.

A) extend
B) generalization
C) enhance
D) include

Question 14

____ find class and object diagrams more useful because they help explain details of how to build classes and objects into applications.

A) Users
B) Programmers
C) Customers
D) Managers

Question 15

The UML is a programming language.

Question 16

Because of its size and imprecision, the UML is relatively difficult to learn.

Question 17

The ____ allows you to envision systems with an object-oriented perspective, breaking a system into subsystems, focusing on the big picture, and hiding the implementation details.

A) HTML
B) XHTML
C) UML
D) XML

Question 18

When you draw a flowchart or write pseudocode, your purpose is to illustrate the individual steps in a(n) ____.

A) progression
B) method
C) action
D) process

Question 19

The ____ diagram shows how a business works from the perspective of those who actually interact with the business.

A) case study
B) use case
C) business use
D) use scenario

Question 20

You use a(n) ____ variation when a use case is less specific than others, and you want to be able to substitute the more specific case for a general one.

A) include
B) generalization
C) extend
D) reference

Question 21

A ____ signal indicates that a specific amount of time should pass before an action starts.

A) wait
B) time
C) lock
D) halt

Question 22

You use a(n) ____________________ diagram when you want to emphasize the files, database tables, documents, and other components that a system's software uses.

Question 23

A ____ diagram shows the different statuses of a class or object at different points in time.

A) status
B) timeline
C) checkpoint
D) state machine

Question 24

You use a(n) ____ diagram to illustrate the names, attributes, and methods of a class or set of classes.

A) class
B) use
C) data flow
D) entity relationship

Question 25

A(n) ____ diagram emphasizes the organization of objects that participate in a system.

A) sequence
B) communication
C) object
D) state machine

Question 26

A(n) ____ relationship describes an association in which one or more classes make up the parts of a larger whole class.

A) association
B) is-a
C) includes
D) whole-part

Question 27

____ diagrams are similar to class diagrams, but they model specific instances of classes.

A) Object
B) Profile
C) Activity
D) Behavior

Question 28

The vertical axis of a sequence diagram represents ____.

A) flow
B) objects
C) associations
D) time

Question 29

Large systems are easier to understand when you break them down into ____________________.

Question 30

In a UML diagram, any exceptions that might be thrown are listed next to shapes that look like ____, which extend to the appropriate handler body node.

A) waves
B) pointers
C) arrows
D) lightning bolts

Question 31

A(n) ____________________ diagram is used to extend a UML model for a particular domain (such as financial or healthcare applications) or a particular platform (such
as .NET or Java).

Question 32

You use a(n) ____ diagram to show the timing of events in a single use case.

A) activity
B) state machine
C) sequence
D) object

Question 33

A ____ defines a branch in which all paths are followed simultaneously.

A) fork
B) break
C) loop
D) cycle

Question 34

You use a(n) ____________________ diagram when you want to focus on a system's hardware.

Question 35

A ____ diagram contains icons that represent system hardware, such as printers and servers.

A) hardware
B) deployment
C) component
D) system

Question 36

A(n) ____ relationship describes the connection or link between objects.

A) generalized
B) association
C) whole-part
D) has-a

Question 37

A(n) ____________________ diagram makes it easier to see the order in which activities occur.

Question 38

The horizontal axis of a sequence diagram represents ____.

A) objects
B) classes
C) methods
D) time

Question 39

When system developers omit parts of diagrams for clarity, they refer to the missing parts as ____.

A) overridden
B) aggregated
C) elided
D) joined

Question 40

A ____ reunites the flow of control after a fork.

A) collector
B) connector
C) join
D) union

Question 41

Explain why UML diagrams are useful.

Question 43

List and describe three criticisms of the UML.

Question 44

Describe a communication diagram.

Question 45

Describe object diagrams.

Question 46

Describe a sequence diagram.

Question 47

Explain exception handling.

Question 48

List five of the diagram types that are included in the structure diagram category.

Question 49

Briefly explain the UML.

Question 50

Discuss how to make sure your diagrams are clear.

Question 51

Describe forks and joins.