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A class diagram resembles a horizontal flowchart that shows the actions and events as they occur.

A) True
B) False

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A black box does not want or need outside interference.

A) True
B) False

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_____ allows objects to be used as modular components anywhere in a system.


A) Dynamic addressing
B) Technical feasibility
C) Encapsulation
D) Linear addressing

E) B) and C)
F) A) and D)

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All objects within a(n) _____ share common attributes and methods.


A) catalog
B) register
C) index
D) class

E) All of the above
F) B) and C)

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D

A(n) _____ is a specific member of a class.


A) key
B) index
C) file
D) instance

E) C) and D)
F) A) and B)

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In an object-oriented system, objects can _____ certain attributes from other objects.


A) broadcast
B) concatenate
C) inherit
D) reformat

E) A) and C)
F) B) and D)

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C

After one identifies a system's objects, classes, and relationships, one should develop a(n) object relationship diagram that provides an overview of the system.

A) True
B) False

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The Unified Modeling Language (UML) notation _____ identifies a zero or many relation.


A) ​0..1
B) ​1..*
C) ​0..*
D) ​0..0

E) A) and D)
F) None of the above

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Kevin, the trainee analyst at Lynach TechSystems, is in charge of allocating suitable Unified Modeling Language (UML) notations to a particular class diagram. -Which of the following relationships corresponds to the Unified Modeling Language (UML) notation on the class diagram 0..1 that Kevin has written?


A) An employee can have no direct reports or many direct reports.
B) An employee can have no spouse or one spouse.
C) An office manager manages one and only one office.
D) One order can include one or many items ordered.

E) C) and D)
F) All of the above

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A(n) _____ is a group of similar objects.


A) aggregate
B) concatenation
C) class
D) packet

E) A) and D)
F) B) and D)

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_____ enable objects to communicate and interact as they perform business functions and transactions required by a system.


A) Aggregates
B) Relationships
C) Clusters
D) Linkages

E) A) and C)
F) A) and B)

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The same message to two different objects produces the same results.

A) True
B) False

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In a sequence diagram, the _____ indicates when an object sends or receives a message.


A) request link
B) focus
C) command line
D) lifeline

E) A) and B)
F) A) and C)

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A _____ shows how an object changes from one state to another, depending on events that affect the object.


A) state transition diagram
B) case tools diagram
C) scatter diagram
D) business process diagram

E) B) and D)
F) A) and B)

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In a state transition diagram, the states appear as rounded rectangles with the state names inside.

A) True
B) False

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Class diagrams evolve into code modules, data objects, and other system components.

A) True
B) False

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By limiting access to internal processes, an object prevents its internal code from being altered by another object or process.

A) True
B) False

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A(n) _____ graphically documents a use case by showing the classes, the messages, and the timing of the messages.


A) state transition diagram
B) sequence diagram
C) data flow diagram
D) scatter diagram

E) B) and D)
F) A) and B)

Correct Answer

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Matching ​Identify the letter of the choice that best matches the phrase or definition. -In a sequence diagram, an X marks the end of this.


A) ​Class diagram
B) ​Business process models (BPM)
C) ​Lifeline
D) ​Object relationship diagram
E) ​State transition diagram
F) Activity diagram
G) ​CASE tools
H) ​Black box
I) ​Unified Modeling Language (UML)
J) System boundary

K) I) and J)
L) E) and G)

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C

Matching ​Identify the letter of the choice that best matches the phrase or definition. -After this is identified, the use cases are placed on the diagram, the actors are added, and the relationships are shown.


A) ​Class diagram
B) ​Business process models (BPM)
C) ​Lifeline
D) ​Object relationship diagram
E) ​State transition diagram
F) Activity diagram
G) ​CASE tools
H) ​Black box
I) ​Unified Modeling Language (UML)
J) System boundary

K) I) and J)
L) A) and B)

Correct Answer

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