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IntheeventofaGSSfailureinaGSScluster,whichistrue?()A.ThecurrentconnectionsarereroutedviathebackupGSSB.SecondaryGSScannotbeusedtoconfiguretheGSSclusterC.AllremainingGSSsintheclustercontinuerespondingtoanynewqueriesD.AllrecordsintheGSSdatabaseareflushedandr

题目
IntheeventofaGSSfailureinaGSScluster,whichistrue?()

A.ThecurrentconnectionsarereroutedviathebackupGSS

B.SecondaryGSScannotbeusedtoconfiguretheGSScluster

C.AllremainingGSSsintheclustercontinuerespondingtoanynewqueries

D.AllrecordsintheGSSdatabaseareflushedandreconstructedagainusinganewmasterGSS

相似考题

1.GiventhatsessionisavalidHttpSessionobject:Intmax=session.getAttribute(MyReallyLongName”);Whichistrue?()A.Thevaluereturnedneedstobecasttoanint.B.ThegetAttributemethostakestwoarguments.C.PrimitiveCANNOTbestoredintheHttpSession.D.TheHttpSessionattributenamemustNOTexceedeightcharacters.

2.publicclassPerson{2.privateStringname;3.publicPerson(Stringname){this.name=name;}4.publicbooleanequals(Personp){5.returnp.name.equals(this.name);6.}7.}Whichistrue?()A.TheequalsmethoddoesNOTproperlyoverridetheObject.equalsmethod.B.Compilationfailsbecausetheprivateattributep.namecannotbeaccessedinline5.C.Toworkcorrectlywithhash-baseddatastructures，thisclassmustalsoimplementthehashCodemethod.D.WhenaddingPersonobjectstoajava.util.Setcollection，theequalsmethodinline4willpreventduplicates.

3.publicclassPerson{privatename;publicPerson(Stringname){this.name=name;}publicbooleanequals(Objecto){if(!oinstanceofPerson)returnfalse;Personp=(Person)o;returnp.name.equals(this.name);}}Whichistrue?()A.CompilationfailsbecausethehashCodemethodisnotoverridden.B.AHashSetcouldcontainmultiplePersonobjectswiththesamename.C.AllPersonobjectswillhavethesamehashcodebecausethehashCodemethodisnotoverridden.D.IfaHashSetcontainsmorethanonePersonobjectwithname=”Fred”，thenremovinganother person，alsowithname=”Fred”，willremovethemall.

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更多“IntheeventofaGSSfailureinaGSScluster,whichistrue?() ”相关问题

  • 第1题：

    classClassA{publicintnumberOfinstances；protectedClassA（intnumberOfinstances）{this.numberOflnstances=numberOfinstances；}}publicclassExtendedAextendsClassA{privateExtendedA（intnumberOfinstances）{super（numberOflnstances）；}publicstaticvoidmain（String[]args）{ExtendedAext=newExtendedA（420）；System.out.print（ext.numberOflnstances）；}}Whichistrue？（）

    A.420istheoutput.

    B.Anexceptionisthrownatruntime.

    C.Allconstructorsmustbedeclaredpublic.

    D.ConstructorsCANNOTusetheprivatemodifier.

    E.ConstructorsCANNOTusetheprotectedmodifier.


    参考答案：A

  • 第2题：

    voidwaitForSignal(){Objectobj=newObject();synchronized(Thread.currentThread()){obj.wait();obj.notify();}}Whichistrue?()

    A.ThiscodemaythrowanInterruptedException.

    B.ThiscodemaythrowanIllegalStateException.

    C.ThiscodemaythrowaTimeoutExceptionaftertenminutes.

    D.Thiscodewillnotcompileunless“obj.wait（）”isreplacedwith“（（Thread）obj）.wait（）”.

    E.Reversingtheorderofobj.wait（）andobj.notify（）maycausethismethodtocompletenormally.

    F.Acalltonotify（）ornotifyAll（）fromanotherthreadmaycausethismethodtocompletenormally.


    参考答案：B

  • 第3题：

    Giventhismethodinaclass:publicStringtoString(){StringBufferbuffer=newStringBuffer();buffer.append(?<?);buffer.append(this.name);buffer.append(?>?);returnbuffer.toString();}Whichistrue?()

    A.ThiscodeisNOTthread-safe.

    B.TheprogrammercanreplaceStringBufferwithStringBuilderwithnootherchanges.

    C.ThiscodewillperformwellandconvertingthecodetouseStringBuilderwillnotenhancetheperformance.

    D.Thiscodewillperformpoorly.Forbetterperformance，thecodeshouldberewritten：return“<“+this.name+“>”；


    参考答案：B

  • 第4题：

    publicclassPerson{privatename;publicPerson(Stringname){this.name=name;}publicinthashCode(){return420;}}Whichistrue?()

    A.ThetimetofindthevaluefromHashMapwithaPersonkeydependsonthesizeofthemap.

    B.DeletingaPersonkeyfromaHashMapwilldeleteallmapentriesforallkeysoftypePerson.

    C.InsertingasecondPersonobjectintoaHashSetwillcausethefirstPersonobjecttoberemovedasaduplicate.

    D.ThetimetodeterminewhetheraPersonobjectiscontainedinaHashSetisconstantanddoesNOTdependonthesizeofthemap.


    参考答案：A

  • 第5题：

    Refertotheexhibit.AccordingtotheequipmenttabinCiscoUCSManager,whichistrue?()

    A.Aisanuplinkport，Bisafabricport，Cisaserverport，Disabackplaneport，EisaDCEinterface，andFisavNIC

    B.Aisanuplinkport，Bisaserverport，Cisafabricport，Disabackplaneport，EisaDCEinterface，andFisavNIC

    C.Aisanuplinkport，Bisafabricport，Cisabackplaneport，Disaserverport，EisaDCEinterface，andFisavNIC

    D.Aisanuplinkport，Bisaserverport，Cisafabricport，DisaDCEinterface，Eisabackplaneport，andFisavNIC

    E.Aisanfabricport，Bisadownlinkport，Cisanuplinkport，Disaserverport，EisaVICinterface，andFisavNIC


    参考答案：B

  • 第6题：

    classSuperClass{2.publicageta(){3.returnnewa();4.}5.}6.classSubClassextendsSuperClass{7.publicbgeta(){8.returnnewb();9.}10.}Whichistrue?()

    A.Compilationwillsucceedifaextendsb.

    B.Compilationwillsucceedifbextendsa.

    C.Compilationwillalwaysfailbecauseofanerrorinline7.

    D.Compilationwillalwaysfailbecauseofanerrorinline8.


    参考答案：B

  • 第7题：

    publicclassTestSevenextendsThread{privatestaticintx;publicsynchronizedvoiddoThings(){intcurrent=x;current＋＋;x=current;}publicvoidrun(){doThings();}}Whichistrue?()

    A.Compilationfails.

    B.Anexceptionisthrownatruntime.

    C.Synchronizingtherun（）methodwouldmaketheclassthread-safe.

    D.Thedatainvariable“x”areprotectedfromconcurrentaccessproblems.

    E.DeclaringthedoThings（）methodasstaticwouldmaketheclassthread-safe.

    F.WrappingthestatementswithindoThings（）inasynchronized（newObject（））{}blockwouldmaketheclassthread-safe.


    参考答案：E

  • 第8题：

    23.intz=5；24.25.publicvoidstuff1（intx）{26.assert（x>0）；27.switch（x）{28.case2：x=3；29.default：assertfalse；}}30.31.privatevoidstuff2（inty）{assert（y<0）；}32.33.privatevoidstuff3（）{assert（stuff4O）；}34.35.privatebooleanstuff4（）{z=6；returnfalse；}Whichistrue？（）

    A.Alloftheassertstatementsareusedappropriately.

    B.Onlytheassertstatementonline31isusedappropriately.

    C.Theassertstatementsonlines29and31areusedappropriately.

    D.Theassertstatementsonlines26and29areusedappropriately.

    E.Theassertstatementsonlines29and33areusedappropriately.

    F.Theassertstatementsonlines29，31，and33areusedappropriately.

    G.Theassertstatementsonlines26，29，and31areusedappropriately.


    参考答案：C

  • 第9题：

    publicclassCreditCard{privateStringcardlD；privateIntegerlimit；publicStringownerName；publicvoidsetCardlnformation（StringcardlD，StringownerName，28.Integerlimit）{this.cardlD=cardlD；this.ownerName=ownerName；this.limit=limit；}}Whichistrue？（）

    A.Theclassisfullyencapsulated.

    B.Thecodedemonstratespolymorphism.

    C.TheownerNamevariablebreaksencapsulation.

    D.ThecardlDandlimitvariablesbreakpolymorphism.

    E.ThesetCardlnformationmethodbreaksencapsulation.


    参考答案：C

  • 第10题：

    单选题
    55.int[]x={1，2，3，4，5}； 56.inty[]=x； 57.System.out.println（y[2]）； Whichistrue？（）
    A

    Line 57 will print the value 2.

    B

    Line 57 will print the value 3.

    C

    Compilation will fail because of an error in line 55.

    D

    Compilation will fail because of an error in line 56.


    正确答案： D
    解析： 暂无解析

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