IBM PrepKing 000-834 v2011-11-04 224q By-IbraAsh · 2019-11-09 · Exam A QUESTION 1 Which statement is true about elements within the subsystem and public visibility? A. Only the

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IBM : 000-834

Version : 2011-11-04Questions: 99 (No Duplications)

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By : IbraAsh

Exam A

QUESTION 1Which statement is true about elements within the subsystem and public visibility?

A. Only the subset of elements that define the subsystems API should have public visibility.B. Only the subsystem proxy class should have public visibility.C. No elements inside the subsystem should have public visibility.D. Only the elements that reference external classes should have public visibility.

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 2What are the two types of dependency that can be used from a subsystem? (Choose two.)

A. <<uses>> dependency to a subsystem interfaceB. an <<import>> dependency to a package containing used classesC. a <<manifest>> relationship to a node in the Deployment modelD. a <<realize>> relationship to one or more collaboration occurrences

Correct Answer: ABSection: (none)Explanation


QUESTION 3Which task is performed during use-case realization refinement?

A. identify participating classesB. allocate responsibilities among classesC. model messages between classesD. model associated class relationships

Correct Answer: DSection: (none)Explanation


QUESTION 4Which statement is true about design subsystems?

A. They partially encapsulate behavior.B. They represent an independent capability with clear interfaces.C. They model a single implementation variant.D. They can only contain design classes.

Correct Answer: BSection: (none)Explanation


QUESTION 5Given the following configuration: Package A, which contains class aClass is in the presentation layer. PackageB, which contains a class bClass and an interface bInterface is in the business layer. Package C, whichcontains cClass is in the data layer. Which is a poor practice?

A. aClass calls a method in bClass.B. aClass has an attribute of type cClass.C. aClass realizes bInterface.D. bClass realizes bInterface.



QUESTION 6Which process document describes design mechanisms, any mappings between design mechanisms, and thedetails regarding their use?

A. Software Architecture DocumentB. Design GuidelinesC. Vision DocumentD. Software Development Plan



QUESTION 7In the state of a state machine, a behavior can be defined _____.


A. before reaching a stateB. upon reaching a stateC. upon leaving a stateD. inside a state

Correct Answer: BCDSection: (none)Explanation


QUESTION 8What is a gate?

A. a parameter that represents a message that crosses the boundary of an interaction or interaction fragmentB. a defined protocol for accessing the internals of a subsystemC. a decision point in a state machine that has more than two alternativesD. a set of checkpoints each subsystem design must satisfy before it can be assigned for implementation

Correct Answer: ASection: (none)Explanation


QUESTION 9When identifying design elements, a simple analysis class will map to a(n)_____.

A. active classB. interfaceC. design classD. subsystem



QUESTION 10In which OOAD activity is the distribution mechanism identified?

A. Identify Design ElementsB. Identify Design MechanismsC. Class DesignD. Architectural Analysis



QUESTION 11Click on the exhibit button In the diagram, what is E?

A. forkB. initial stateC. decisionD. transitionE. final stateF. eventG. stateH. guard condition

Correct Answer: HSection: (none)Explanation


QUESTION 12Identify Design Elements is part of which workflow detail?

A. Define a Candidate ArchitectureB. Design ComponentsC. Perform ArchitecturalD. Refine the Architecture



QUESTION 13Click on the exhibit button In the diagram, what is H?




QUESTION 14What is the relationship between operation and method?

A. The terms are synonymous.B. An operation describes how a method is implemented.C. A method describes how an operation is implemented.D. There is no relationship.



QUESTION 15Why would you use subsystem interfaces rather than subsystem instances on sequence diagrams?

A. to make it easier to model subsystems during Subsystem DesignB. to make use-case realizations easier to changeC. to ease sequence diagram maintenance when message signatures changeD. to reduce the number of classes needed to implement the subsystem

Correct Answer: BSection: (none)

Explanation


QUESTION 16Which is an input artifact to the Identify Design Elements activity?

A. Deployment ModelB. Implementation ModelC. Reference ArchitectureD. Software Architecture Document



QUESTION 17What is an important consideration when allocating processes to nodes?

A. minimizing network trafficB. minimizing power consumptionC. utilizing all available nodesD. physical distance between nodes



QUESTION 18Which type of mechanism is a connector on a deployment diagram?

A. backupB. communicationC. transactionD. computation



QUESTION 19A design mechanism _____.

A. captures the key aspects of a solution in a way that is implementation-independentB. specifies the exact implementation of the mechanism and is bound to a certain technology, implementation

language, or vendorC. is the same as a design patternD. assumes some details of the implementation environment, but is not tied to a specific implementation



QUESTION 20When identifying interfaces during the Identify Design Elements activity, which statement is true?

A. Classes should not realize an interface.B. Each subsystem realizes only one interface.C. Interfaces should be identified before subsystems are created.D. Interfaces should be packaged separately from the elements that realize them.



QUESTION 21Additional subsystems can be discovered during Use Case Design by noting _____.

A. common subflows between objects on several sequence diagramsB. similar objects on several sequence diagramsC. a consistent series of state transitions for multiple classes involved in a use-case realizationD. the same design classes involved in more than one use-case realization



QUESTION 22Which activities are performed during Use Case Design?

A. converting analysis classes into design classes and design subsystemsB. describing persistence-related behaviorC. describing object interactions that implement interface operationsD. simplifying sequence diagrams using design classes



QUESTION 23On a sequence diagram, what is used to represent a specific subsystem?

A. an interface that the subsystem realizesB. a subsystem proxyC. a subsystem componentD. a subsystem class



QUESTION 24Which UML elements are used to describe the physical architecture of a system?

A. classes and relationshipsB. objects and messagesC. subsystems and dependenciesD. nodes and connectors



QUESTION 25Which artifact is used to describe use-case realizations?

A. textual use-case descriptionsB. communication diagramsC. state chartsD. activity diagrams



QUESTION 26What defines a subsystems responsibilities?

A. its internal class behaviorB. the operations of the interfaces it implementsC. the use-case realizations in which the subsystem appearsD. the operations on a class contained within the subsystem

Correct Answer: B

Section: (none)Explanation


QUESTION 27Which is a design mechanism?

A. PersistencyB. ObjectStore Object-oriented DatabaseC. DistributionD. Remote Method Invocation



QUESTION 28To begin identifying design mechanisms, you start by categorizing analysis mechanisms. What are three stepsin the process of Categorizing Analysis Mechanisms? (Choose three.)

A. identify characteristic profiles for each analysis mechanismB. identify the clients of each analysis mechanismC. assign a vendor implementation to each analysis mechanismD. group clients according to their use of characteristic profiles

Correct Answer: ABDSection: (none)Explanation


QUESTION 29In Subsystem Design, what happens in the step, Distribute Subsystem Responsibilities?

A. The subsystems responsibilities are allocated to its internal design elements.B. Each subsystem is checked to ensure it has a consistent set of responsibilities and inconsistent

responsibilities are reassigned to other subsystems.C. Libraries and external APIs are identified to realize the subsystem behavior.D. Distribution mechanisms are detailed for exposing subsystem interfaces.



QUESTION 30Which entity has a well-defined boundary and identity that encapsulates state and behavior?

A. classB. objectC. componentD. package



QUESTION 31What is the purpose of the Identify Design Mechanisms activity?

A. to refine the analysis mechanisms and specify the exact implementation of the mechanismB. to provide a conceptual set of services that is used by analysis objectsC. to refine analysis mechanisms into design mechanisms, based on the constraints imposed by the

implementation environmentD. to define design placeholders in the architecture so the architecting effort remains focused and is less likely

to become sidetracked



QUESTION 32In a dependency, through what reference does the client class gain visibility to the supplier?

A. local referenceB. parameter referenceC. global referenceD. field reference

Correct Answer: ABCSection: (none)Explanation


QUESTION 33In which Analysis and Design activity are subsystems mapped to analysis classes?

A. Architectural AnalysisB. Identify Design ElementsC. Identify SubsystemsD. Incorporate Existing Design Elements



QUESTION 34Which design element is used to represent a concurrent object?

A. active classB. capsuleC. design classD. event



QUESTION 35The Describe Distribution activity is where the processes defined in the Describe the Run-time Architectureactivity are allocated to _____.

A. physical nodesB. componentsC. classesD. activities



QUESTION 36During Subsystem Design, how many interaction diagrams (sequence or communication) should be created?

A. at least one interaction diagram per interface operationB. one interaction diagram per interface realizationC. at least one interaction diagram for each use of an external interfaceD. one interaction diagram for each realizing class



QUESTION 37A directed graph of nodes connected by transitions is a _____ diagram.

A. communicationB. sequence

C. componentD. state machine



QUESTION 38Click on the exhibit button

In the diagram, what is F?


Correct Answer: FSection: (none)Explanation


QUESTION 39Use Case Design is part of which workflow detail?

A. Design Use CasesB. Analyze BehaviorC. Design ComponentsD. Design Classes and Subsystems



QUESTION 40When does an analysis class map directly to a design class?

A. when the analysis class uses the <entity> stereotypeB. when the analysis class represents a single logical abstractionC. when the modeling tool supports transformation of Analysis Models to DesignD. when an analyst has strong design skills



QUESTION 41What is a design subsystems primary purpose?

A. provides configuration management and model organizationB. encapsulates behaviorC. packages similar design classes togetherD. represents external systems



QUESTION 42What is the purpose of subsystem design?

A. finalizes the details of each interface implemented by the subsystems in an applicationB. breaks the system up into subsystems in order to allocate subsystems to development teamsC. defines the behaviors specified in the subsystem's interfaces in terms of collaborations of contained design

elementsD. defines on which tier each subsystem will be implemented and the communication mechanisms used

between them




In the diagram, what are C1 and C2?

A. forksB. initial statesC. decisionsD. transitionsE. final statesF. eventsG. statesH. guard conditions

Correct Answer: GSection: (none)Explanation


QUESTION 44Defining the network configuration is the _____ step of the Describe the Distribution activity.

A. finalB. firstC. secondD. fifth




In the diagram, what is B?




QUESTION 46Which statement is true about packages and subsystems?

A. A package cannot contain a subsystem.B. A package provides behavior.C. A subsystem provides behavior.D. You use a package when you need to encapsulate behavior.



QUESTION 47How many physical nodes should be identified in order to perform the Describe Distribution activity?

A. zero nodes onlyB. one node onlyC. zero nodes or one nodeD. more than one node

Correct Answer: DSection: (none)

Explanation


QUESTION 48Supplemental sequence diagram documentation, in the form of notes and scripts, is commonly used for _____.(Choose three.)

A. describing required timing between messagesB. providing details about conditional behaviorC. specifying the attributes for objects that appear in the diagramD. correlating extension points in the use case with specific locations in the sequence diagrams

Correct Answer: ABDSection: (none)Explanation



QUESTION 49What is used to describe the process of applying a distribution mechanism during implementation?

A. activity diagramB. flowchartC. UML pattern and written stepsD. use-case diagram




Given information provided in the diagram, which statement is true?

A. Lion and Tiger communicate with each other.B. Lion and Tiger communicate with Animal.C. Animal may not have direct instances.D. Instances of Animal communicate differently than instances of Lion or Tiger.



QUESTION 51What does an underlined attribute indicate?

A. The attribute is read-only.B. The attribute is derived from other attributes.C. The attribute uniquely identifies instances.D. The attribute is defined at the classifier level instead of the instance level.




In the diagram, the attribute CourseOffering.numberOfStudents is an example of _____.

A. a bad designB. a static attributeC. a derived attributeD. non-standard naming




In the diagram, what is A?


Correct Answer: ESection: (none)Explanation


QUESTION 54With respect to persistence, what are two functions of transactions? (Choose two.)

A. ensure that a set of operations is performed either in total, or not at allB. enable a designer to selectively define operations that will be executed with priority when there is a shortage

of system resourcesC. ensure that sets of objects move from one consistent state to anotherD. simplify design work, so that persistence does not need to be explicitly considered during Use Case Design

E. simply design work, by providing standardized approaches for representing persistent objects in UML

Correct Answer: ACSection: (none)Explanation


QUESTION 55What are three purposes of Use Case Design? (Choose three)

A. to refine use-case realizations in terms of interactionsB. to ensure the completeness of the View of Participating Classes diagrams for each use-case realizationC. to refine requirements on the operations of design classesD. to refine requirements on the operations of design subsystems and/or their interfaces

Correct Answer: ACDSection: (none)Explanation


QUESTION 56Which is a Use Case Design output artifact?

A. analysis classesB. design classesC. interfacesD. the Design Model



QUESTION 57Which is an example of an Execution Environment?

A. Gigabit network switchB. virtual private networkC. J2EE application serverD. handheld computer



QUESTION 58The purpose of Unify Classes and Subsystems is to ensure _____.

A. each subsystem has a corresponding subsystem componentB. all classes are assigned to at most one subsystemC. the responsibilities of design elements do not overlapD. each defined interface has a cohesive and coherent API



QUESTION 59Which is a guideline for encapsulating subsystem interactions on sequence diagrams?

A. Messages to subsystems should correspond to subsystem interface operations.B. Messages from subsystems should correspond to operations of the subsystem component.C. During Use Case Design, secondary sequence diagrams should be created to model the interactions within

subsystems.D. A subsystem should be represented on sequence diagrams using its subsystem component.



QUESTION 60Which is an example of a connector?

A. SCSI Hard DiskB. Uninterruptible Power SupplyC. HTTP protocol*D. JDBC class




In the diagram, what is G?




QUESTION 62Which is a device?

A. database serverB. web serverC. virtual private networkD. handheld computer



QUESTION 63Which 4+1 view is the focus of the Describe Distribution activity?

A. Logical ViewB. Deployment ViewC. Use Case ViewD. Implementation View

Correct Answer: BSection: (none)

Explanation


QUESTION 64Which three activities are elements of Class Design? (Choose three.)

A. identify classes and relationships that support implementation of an architectureB. identify and analyze state transitions in objects of state-controlled classesC. identify classes that model the problem domainD. refine relationships, operations and attributes




In the diagram, what is D?




QUESTION 66

Artifacts are entities that _____.

A. host running softwareB. are deployed onto physical nodesC. are the result of model transformationsD. are stored in a browser cache



QUESTION 67Which are input artifacts to the Identify Design Elements activity? (choose three)

A. Supplementary SpecificationsB. Implementation ModelC. Software Architect Document D. SubsystemsE. Analysis Classes

Correct Answer: ACESection: (none)Explanation


QUESTION 68Which are resulting artifacts from the Identify Design Elements activity? (Choose two)

A. Design classes B. Implementation ModelC. Packages/Subsystems D. Process Model



QUESTION 69Which statements are true about Design Classes (Choose two)

A. An analysis class be always split into multiple design classesB. An analysis class maps directly to a design class if it represents a single logical abstraction C. An analysis class never become a package or subsystemD. Complex analysis classes can become a package/subsystem

Correct Answer: BDSection: (none)

Explanation


QUESTION 70Which are two tips for package coupling?

A. Packages should not be cross-coupledB. Packages can be cross-coupledC. In general, dependencies between packages can skip layersD. Packages in lower layers should not be dependent upon packages in upper layers

Correct Answer: ADSection: (none)Explanation


QUESTION 71Which statement is NOT true about packages and subsystems

A. Subsystems provide behavior while packages don’tB. Packages completely encapsulate their contents while subsystems don’t C. Subsystems are easily replaced while packages may not.D. Dependencies on a subsystem are on its interface(s), not on specific subsystem contents while with

packages, dependencies are on specific elements within the package



QUESTION 72Which three statements are true about packages (Choose three)

A. All dependencies on a package can be on both private and public classes of the packageB. Public classes can be considered the interface of the package C. Packages are used for model organization and configuration management D. When using packages, it is important that you hide the implementation from elements external to the

package



QUESTION 73Which statement is NOT true about subsystems

A. Subsystems are used to partition the system into system into parts that can be independently ordered,

configured, or deliveredB. Subsystems are used to partition the system into system into parts that can be independently developed, as

long as the interfaces remain unchangedC. Subsystems are used to partition the system into system into parts that can be independently changed with

breaking other parts of the systems D. Subsystems are used to represent existing products or external systems in the design



QUESTION 74Design Elements includes (Choose three)

A. Design classes B. ComponentsC. Subsystems D. Packages



QUESTION 75Which two statements are true about design patterns (Choose two)

A. Command patterns create GUI objects (buttons, scrollbars, windows, etc.) independent of the underlyingOS

B. Observer pattern: When the state of an object changes, the dependent objects are notified. The changedobject is independent of the observers

C. Abstract factory patterns issue a request to an object without knowing anything about the operationrequested or the receiver of the request

D. The MVC architectural pattern is an extension of the Observer design pattern

Correct Answer: BDSection: (none)Explanation


QUESTION 76Which three statements are true about design patterns (Choose three)

A. Command patterns issue a request to an object without knowing anything about the operation requested orthe receiver of the request

B. Observer pattern: When the state of an object changes, the dependent objects are not notified.C. Abstract factory patterns create GUI objects (buttons, scrollbars, windows, etc.) independent of the

underlying OS

D. The MVC architectural pattern is an extension of the Observer design pattern



QUESTION 77Which two examples are true for analysis mechanism, design mechanism and implementation mechanismrespectively? (Choose two)

A. Persistency -> RDBMS -> JDBC B. OODBMS -> Persistency -> ObjectStoreC. Distribution -> Remote Method Invocation (RMI) -> Java SE 6 from SunD. Remote Method Invocation (RMI) -> Distribution -> Java SE 6 from Sun



QUESTION 78Which is NOT a concurrency mechanism?

A. Multiprocessing: Multiple CPUs execute concurrently B. Multitasking: The operating systems simulate concurrency on a single CPU by interleaving the execution of

different tasksC. Application-based solutions: the application software takes responsibility for switching between different

branches of code at appropriate timesD. Section-based solutions: the user section takes responsibility for switching between different branches of

code at appropriate times



QUESTION 79Which two statements are true about process and thread? (Choose two)

A. Process provides heavyweight flow of control while thread provides lightweight flow of control B. Process and thread is stand-aloneC. Process cannnot be divided into individual threadsD. Thread runs in the context of an enclosing process



QUESTION 80In Distribution, which View in the RUP 4+1 View Model should concentrate on?

A. Logical ViewB. Process ViewC. Deployment View D. Implementation View



QUESTION 81The input of Distribution are (choose three)

A. Software Architecture DocumentB. Implementation Model C. Design Model D. Use case Model



QUESTION 82The output of Distribution are (choose two)

A. Deployment Model B. Design ModelC. Software Architecture Document D. Implementation Model



QUESTION 83Which three distribution patterns are true for Client/Server? (Choose three)

A. 3-tier B. Fat client C. Distributed Client/Server D. Node-to-node



QUESTION 84What are two steps in Use Case Design? (Choose two)

A. Refine the flow of events description B. Identify classes and subsystemsC. Simplify sequence diagrams using subsystems D. Describe interaction among analysis objects



QUESTION 85What is NOT a step in Use Case Design

A. Create the flow of events for each use caseB. Unify classes and subsystemsC. Simplify sequence diagrams using subsystemsD. Describe interaction among design objects



QUESTION 86Which artifacts are used to describe use-case realizations? (Choose three)

A. textual use-case descriptionsB. communication diagrams C. class diagrams D. sequence diagrams E. activity diagrams



QUESTION 87Which is NOT an input of Use-case Design?

A. Design modelB. Design subsystem and interfaceC. Analysis modelD. Implementation model E. Analysis Use-case Realization



QUESTION 88Which are the output of Use-case Design? (Choose two)

A. Design use-case realization B. Implementation ModelC. Use case specification refinementD. Design Model



QUESTION 89Which activity in Analysis and Design workflow does Use-case design belong to?

A. Design components B. Design use-caseC. Refine the architectureD. Design elements



QUESTION 90Which are NOT two inputs of Sub-system Design? (Choose two)

A. Design modelB. Design subsystem and interfaceC. Analysis subsystems D. Implementation model

Correct Answer: CDSection: (none)Explanation


QUESTION 91Which are the output of Sub-system Design? (Choose three)

A. Design use-case realizationB. Implementation ModelC. Design classes D. Design Model E. Design subsystem and interface

Correct Answer: CDESection: (none)Explanation


QUESTION 92Which are subsystem guidelines? (Choose three)

A. A subsystem should not expose any of its contents, only interfaces B. A subsystem should depend only on the interfaces of other model elements, so that it is not directly

dependent on any specific model elements outside the subsystem C. All dependencies on a subsystem should be dependencies on the subsystem interfaces D. All dependencies on a subsystem should be dependencies on the package interfacesE. A subsystem should expose some appropriate contents



QUESTION 93Which is NOT a step of subsystem design?

A. Distribute subsystem behavior to subsystem elementsB. Identify subsystem interfaces C. Document subsystem elementsD. Describe subsystem dependencies



QUESTION 94Which is NOT a checkpoint in Design subsystem?

A. Is a realization association defined for each interface offered by the subsystem?

B. Is a dependency association defined for each interface used by the subsystem?C. Are you sure that none of the elements within the subsystem have public visibility?D. Is package/subsystem partitioning logical and consistent?



QUESTION 95Which activity in Analysis and Design workflow does subsystem design belong to?

A. Design components B. Design subsystemC. Refine the architectureD. Design elements



QUESTION 96Which is NOT an input of Class Design?

A. Design modelB. Design use-case realizationC. Analysis classesD. Implementation model E. Design classes



QUESTION 97Which are the output of Class Design? (Choose two)

A. Design use-case realizationB. Implementation ModelC. Design classes D. Design Model E. Design subsystem and interface

Correct Answer: CDSection: (none)Explanation


QUESTION 98Which are strategies for designing classes (Choose two)

A. User interface (UI) boundary classes: What user interface development tools will be used? B. External system interface boundary classes: Usually model as subsystem/packageC. Entity classes are often passive and persistent D. Entity classes: We don’t have to care about performance requirements



QUESTION 99In a dependency, which reference means that the supplier object is a data member in the client object?

A. local referenceB. parameter referenceC. global referenceD. field reference




Documents

IBM PrepKing 000-834 v2011-11-04 224q By-IbraAsh · 2019-11-09 · Exam A QUESTION 1 Which statement is true about elements within the subsystem and public visibility? A. Only the