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（ ） is an important concept since it allows reuse of a class definition without requiring major code changes.
A. InheritanceB. PolymorphismC. EncapsulationD. Data hiding
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更多 “ （ ） is an important concept since it allows reuse of a class definition without requiring major code changes.A. InheritanceB. PolymorphismC. EncapsulationD. Data hiding ” 相关考题
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The project life-cycle can be described as:A.project concept, project planning, project execution, and project close-out.B.project planning, work authorization, and project reporting.C.project planning, project control, project definition, WBS development, and project termination.D.project concept, project execution, and project reporting.E.All of the above.
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167 The project life-cycle can be described as:A. project concept, project planning, project execution, and project close-out.B. project planning, work authorization, and project reporting.C. project planning, project control, project definition, WBS development, and project termination. D. project concept, project execution, and project reporting.E. All of the above
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●The purpose of the requirements definition phase is to produce a clear，complete，consistent，and testable (66) of the technical requirements for the software product．During the requirements definition phase，the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform. and each (67) that it must meet．The starting point is usually a set of high-level requirements from the (68) that describe the project or problem．In either case，the requirements definition team formulates an overall concept for the system and the defines (69) showing how the system will be operated，publishes the system and operation concept documents，and conducts a system concept review(SCR)．Following the SCR，the team derives (70) requirements for the system from the highlevel requirements and the system operations concept．Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy each detailed requirements．(66) A．functionB．definitionC．specificationD．statement(67) A．criterionB．standardC．modelD．system(68) A．producerB．customerC．programmerD．analyser(69) A．rulesB．principlesC．scenariosD．scenes(70) A．detailedB．outlinedC．totalD．complete
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● The project life-cycle can be described as（72）.（72）A．project concept, project planning, project execution, and project close-outB．project planning, work authorization, and project reportingC．project planning, project control, project definition, WBS development, and project terminationD．project concept, project execution, and project reporting
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Which substitution variable would you use if you want to reuse the variable without prompting the user each time? ()
A. B. ACCEPTC. PROMPTD.
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The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable(71 )of the technical requirements for the software product.During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the sofrware must perform. and each(72)that it must meet. The starting point is usually a set of high-level requirements from the(73)that describe the project or problem.In either case, the requirements definition team formulates an overall concept for the system and then defines(74)showing how the system will be operated, publishes the system and operations concept document, and conducts a system concept review(SCR).Following the SCR, the team derives(75)requirements for the system from the high level requirements and the system and operations concept. Using structured or object-oriented analysis, the team specifies the software functions and algorithms needed to satisfy each detailed requirement.A．functionB．definitionC．specificationD．statement
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根据下面的文字资料回答 71～75 题 The purpose of the requirements definition phase is to produce a clear,complete，consistent，and testable（ 1 ）of the technical requirements for the software produet．During the requirements definition phase，the requirements deftnifion team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specificationof each function that the software must perform. and each（ 2 ）that it must meet．The starting point is usually a set of high-level requirements from the（ 3 ）that describe the project or problem．In either case，the requirements definition team formulates an overall concept for the system and thedefines（ 4 ）showing how the system will be oPerated，publishes the system and operation concept documents，and conducts a system concept review(SCR).Following the SCR，the team derives（ 5 ）requirements for the system from the highlevel requirements and the systern operations concept．Using structured or object-oriented analysis，the team specifies the software functions and algorithms needed to satisfy each detailedrequirements.第71题：文中（ 1 ）处正确的答案是（ ）。A．functionB．definitionC．specificationD．statement
考题
The project life-cycle can be described as（）.A.project concept, project planning, project execution, and project close-out
B.project planning, work authorization, and project reporting
C.project planning, project control, project definition, WBS development, and project termination
D.project concept, project execution, and project reporting
考题
( ) is an important concept since it allows reuse of a class definition without requiring major code changes.A.Inheritance
B.Polymorphism
C.Encapsulation
D.DatA.hiding
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What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）A、ease of IP address assignment versus use of external routersB、redundancy from trunking between distribution layer switchesC、provides first-hop redundancy to clientsD、allows inter-VLAN communication without requiring complexity of routing protocols
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Which two are true？（）A、 An encapsulated， public class promotes re-use.B、 Classes that share the same interface are always tightly encapsulated.C、 An encapsulated class allows subclasses to overload methods， but does NOT allow overriding methods.D、 An encapsulated class allows a programmer to change an implementation without affecting outside code.
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Given the following interface definition， which definitions are valid？（） interface I { void setValue（int val）； int getValue（）； } DEFINITION a： （a） class a extends I { int value； void setValue（int val） { value = val； } int getValue（） { return value； } } DEFINITION b： （b） interface b extends I { void increment（）； } DEFINITION c： （c） abstract class c implements I { int getValue（） { return 0； } abstract void increment（）； } DEFINITION d： （d） interface d implements I { void increment（）； } DEFINITION e： （e） class e implements I { int value； public void setValue（int val） { value = val； } } A、Definition a.B、Definition b.C、Definition c.D、Definition d.E、Definition e.
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Which two are characteristics of the Intercepting Filter pattern？（）A、 it provides centralized request handling for incoming requests.B、 It forces resource authentication to be distributed across web components.C、 It reduces coupling between presentation-tier clients and underlying business services.D、 It can be added and removed unobtrusively， without requiring changes to existing code.E、 It allows preprocessing and postprocessing on the incoming requests and outgoing responses.
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Which statements about inheritance are true？（） A、 In Java programming language only allows single inheritance.B、 In Java programming language allows a class to implement only one interface.C、 In Java programming language a class cannot extend a class and implement a interface together.D、 In Java programming language single inheritance makes code more reliable.
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Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）A、The class implements java.lang.Comparable.B、The class implements java.util.Comparator.C、The interface used to implement sorting allows this class to define only one sort sequence.D、The interface used to implement sorting allows this class to define many different sort sequences.
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You completed your workflow definition. You want to save a copy of the definition to the file system for source control purposes. How does Oracle Workflow Builder save that file?（）A、as a flat fileB、as a BPEL-compiled definitionC、as an XML file with an associated document type definition (DTD)D、as an XML file without an associated document type definition (DTD)
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Which substitution variable would you use if you want to reuse the variable without prompting the user each time?（）A、B、ACCEPTC、PROMPTD、
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多选题Which two are characteristics of the Intercepting Filter pattern？（）Ait provides centralized request handling for incoming requests.BIt forces resource authentication to be distributed across web components.CIt reduces coupling between presentation-tier clients and underlying business services.DIt can be added and removed unobtrusively， without requiring changes to existing code.EIt allows preprocessing and postprocessing on the incoming requests and outgoing responses.
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多选题Given the following interface definition， which definitions are valid？（） interface I { void setValue（int val）； int getValue（）； } DEFINITION a： （a） class a extends I { int value； void setValue（int val） { value = val； } int getValue（） { return value； } } DEFINITION b： （b） interface b extends I { void increment（）； } DEFINITION c： （c） abstract class c implements I { int getValue（） { return 0； } abstract void increment（）； } DEFINITION d： （d） interface d implements I { void increment（）； } DEFINITION e： （e） class e implements I { int value； public void setValue（int val） { value = val； } }ADefinition a.BDefinition b.CDefinition c.DDefinition d.EDefinition e.
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多选题Which two are true？（）AAn encapsulated， public class promotes re-use.BClasses that share the same interface are always tightly encapsulated.CAn encapsulated class allows subclasses to overload methods， but does NOT allow overriding methods.DAn encapsulated class allows a programmer to change an implementation without affecting outside code.
考题
单选题You completed your workflow definition. You want to save a copy of the definition to the file system for source control purposes. How does Oracle Workflow Builder save that file?（）A
as a flat fileB
as a BPEL-compiled definitionC
as an XML file with an associated document type definition (DTD)D
as an XML file without an associated document type definition (DTD)
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单选题Which substitution variable would you use if you want to reuse the variable without prompting the user each time?（）A
B
ACCEPTC
PROMPTD
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单选题Which statement correctly describes the function of Oracle9i Cache Fusion feature？（）A
It provides each session with its own view of the database at a different point in the past. B
It enables you to execute scalable applications on a clustered database without having to partition the users or the database tables. C
It lets you dynamically reassign memory in your database buffer cache to different block buffer sizes. D
It allows you to add new sites to multimaster replication environment without quiescing the master definition site.
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单选题Which DHCP allocation method allows automatic reuse of an address that is no longer needed by the lient to which it was assigned？（）A
AutomaticB
DynamicC
ReuseD
Manual
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多选题Which statements about inheritance are true？（）AIn Java programming language only allows single inheritance.BIn Java programming language allows a class to implement only one interface.CIn Java programming language a class cannot extend a class and implement a interface together.DIn Java programming language single inheritance makes code more reliable.
考题
多选题Given a class whose instances， when found in a collection of objects， are sorted by using the compareTo（） method， which two statements are true？（）AThe class implements java.lang.Comparable.BThe class implements java.util.Comparator.CThe interface used to implement sorting allows this class to define only one sort sequence.DThe interface used to implement sorting allows this class to define many different sort sequences.
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