4587195
Pregunta 1
Pregunta
1) Which of the following is the main goal of the object-oriented approach?
Respuesta
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A) maintaining systems
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B) minimizing the impact of change
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C) reusability
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D) functional control
Pregunta 2
Pregunta
2) When classes are involved in inheritance, another name for a child class is:
Respuesta
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A) a base class
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B) a derived class.
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C) a superclass.
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D) an instantiated class.
Pregunta 3
Pregunta
3) When attributes are preceded by a minus sign, it means that:
Respuesta
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A) the attributes are private.
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B) the attributes are public.
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C) the attributes are static.
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D) the attributes are undefined.
Pregunta 4
Pregunta
4) A template that the analyst may use when beginning to model or talk about the system from an O-O perspective is called a:
Respuesta
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A) CRC card.
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B) UML descriptor.
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C) whole-part structure.
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D) design layer.
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E) User Message Language.
Pregunta 5
Pregunta
5) Which of the following is not one of the main components of UML?
Respuesta
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A) things
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B) relationships
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C) entities
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D) diagrams
Pregunta 6
Pregunta
6) Behavioral diagrams include all of the following except:
Respuesta
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A) activity diagrams.
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B) communication diagrams.
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C) class diagrams.
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D) use case diagrams.
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E) sequence diagrams.
Pregunta 7
Pregunta
7) Which of the following is a structural diagram?
Respuesta
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A) use case diagram
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B) statechart diagram
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C) sequence diagram
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D) class diagram
Pregunta 8
Pregunta
8) Which of the following is not one of the six most commonly used UML diagrams?
Respuesta
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A) activity diagram
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B) CRC card relationship diagram
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C) use case diagram
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D) statechart diagram
Pregunta 9
Pregunta
9) Which of the following is not described by a use case?
Respuesta
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A) the actor that initiates an event
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B) the use case that performs the actions
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C) the event that triggers the use case
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D) the objects required by the use case
Pregunta 10
Pregunta
10) Which of the following are not shown on an activity diagram?
Respuesta
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A) classes
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B) events
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C) decisions that are made
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D) sequential activities
Pregunta 11
Pregunta
11) On an activity diagram, what is used to show parallel activities?
Respuesta
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A) an arrow
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B) a synchronization bar
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C) a swimlane
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D) a diamond
Pregunta 12
Pregunta
12) On an activity diagram, what is used to show partitioning?
Respuesta
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A) a synchronization bar
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B) a swimlane
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C) a diamond
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D) a filled-in circle
Pregunta 13
Pregunta
13) A mechanism for communicating between a server and a mainframe computer is called a:
Respuesta
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A) message queue
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B) swimlane.
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C) synchronization bar
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D) EBCDIC conversion unit.
Pregunta 14
Pregunta
14) On a sequence diagram, a lateral bar or vertical rectangle is used to represent:
Respuesta
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A) messages sent between classes
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B) the time sequence of activities.
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C) the focus of control, when an object is busy doing things.
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D) the lifeline for the class or object.
Pregunta 15
Pregunta
15) Solid arrowheads used for messages on a sequence diagram represent:
Respuesta
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A) inheritance relationships.
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B) return parameters.
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C) asynchronous messages.
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D) synchronous messages.
Pregunta 16
Pregunta
16) Which of the following is not a format for sending messages between classes on a sequence diagram?
Respuesta
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A) messageName( )
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B) messageName(parameter1, parameter2)
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C) messageName(parameter1:returnValue, parameter2:returnValue)
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D) messageName(parameterType:parameterName(defaultValue))
Pregunta 17
Pregunta
17) What is used to show time ordering on a communication diagram?
Respuesta
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A) a sequence number
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B) a synchronous arrow
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C) an asynchronous arrow
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D) a focus of control
Pregunta 18
Pregunta
18) A private attribute on a class diagram:
Respuesta
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A) does not change its value for different object instances.
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B) is hidden from all classes except immediate subclasses.
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C) is only available in the object.
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D) is available to the class and all classes that have relationships with the attribute's class.
Pregunta 19
Pregunta
19) Method overloading means that:
Respuesta
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A) the same method may be defined differently in inherited classes.
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B) the same method may be defined more than once in a given class.
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C) the method may have parameters passed to it from more than one relating class.
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D) the method may be used on different platforms, such as a server or client computer.
Pregunta 20
Pregunta
20) Which type of class represents real-world items?
Respuesta
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A) entity
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B) interface
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C) abstract
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D) control
Pregunta 21
Pregunta
21) Which type of class provides a means for users to work with the system?
Respuesta
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A) entity
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B) boundary or interface
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C) abstract
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D) control
Pregunta 22
Pregunta
22) Which type of class cannot be directly instantiated?
Respuesta
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A) entity
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B) interface
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C) abstract
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D) control
Pregunta 23
Pregunta
23) Which type of class acts as a coordinator when implementing classes?
Respuesta
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A) entity
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B) interface
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C) abstract
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D) control
Pregunta 24
Pregunta
24) Which of the following is not a way to store and retransmit data from a Web page?
Respuesta
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A) Store the information in a cookie.
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B) Include the information in the URL.
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C) Store the data in a message queue.
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D) Include the data in a hidden field.
Pregunta 25
Pregunta
25) A statechart diagram is created for:
Respuesta
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A) a single class.
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B) a single use case.
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C) an activity on an activity diagram.
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D) a group of classes connected with relationships.
Pregunta 26
Pregunta
26) Object-oriented techniques work well in situations where ________ information systems
are undergoing continuous maintenance, adaptation, and redesign.
Respuesta
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A) complicated
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B) simple
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C) highly technical
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D) global
Pregunta 27
Pregunta
27) Objects are represented by and grouped into ________ that are optimal for reuse and maintainability.
Respuesta
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A) objects
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B) views
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C) classes
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D) displays
Pregunta 28
Pregunta
28) The term ________ is used when an object is created from a class.
Respuesta
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A) class
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B) updated
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C) made
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D) instantiate
Pregunta 29
Pregunta
29) When using inheritance, the child class is also know as a ________ class.
Respuesta
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A) parent
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B) derived
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C) primary
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D) secondary
Pregunta 30
Pregunta
30) When one class is created from another class it is called ________.
Respuesta
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A) inheritance
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B) dower
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C) parenting
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D) settlement
Pregunta 31
Pregunta
31) ________ reduces programming labor by reusing common objects easily.
Respuesta
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A) Inheritance
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B) Dower
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C) Parenting
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D) Settlement
Pregunta 32
Pregunta
32) A ________, ________, and ________ card may be used when the analyst is beginning to model or talk about the system from an O-O perspective.
Respuesta
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A) class; responsibilities; collaborators
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B) class; responsibilities; collections
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C) class; revisions; collaborators
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D) collection; responsibilities; collaborators
Pregunta 33
Pregunta
33) ________ describe the interactions of two or more things that perform a behavior that is more than any one of the things can do alone.
Respuesta
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A) Communication diagrams
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B) Concept diagrams
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C) Structural diagrams
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D) Behavioral diagrams.
Pregunta 34
Pregunta
34) ________ show the same information as a sequence diagram.
Respuesta
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A) Communication diagrams
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B) Concept diagrams
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C) Structural diagrams
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D) Behavioral diagrams.
Pregunta 35
Pregunta
35) ________ diagrams are used to model the static structural design view of a system.
Respuesta
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A) Class
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B) Concept diagrams
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C) Structural diagrams
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D) Behavioral diagrams.
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