现有 public class Parentt public void change (int x){) ) public class Child extends Parent{ //覆盖父类change方法 } 下列哪个声明是正确的覆盖了父类的change方法?()
第1题:
Certkiller.comhasamainofficeandabranchoffice.Certkiller.com’snetworkconsistsofasingleActiveDirectoryforest.SomeoftheserversinthenetworkrunWindowsServer2008andtherestrunWindowsserver2003.
YouaretheadministratoratCertkiller.com.YouhaveinstalledActiveDirectoryDomainServices(ADDS)onacomputerthatrunsWindowsServer2008.Thebranchofficeislocatedinaphysicallyinsecureplace.IthasnotITpersonnelonsiteandtherearenoadministratorsoverthere.YouneedtosetupaRead-OnlyDomainController(RODC)ontheServerCoreinstallationcomputerinthebranchoffice.WhatshouldyoudotosetupRODConthecomputerinbranchoffice()
第2题:
Animportanttablespaceofyourdatabaseisdroppedbymistake.YouusetheFlashbackDatabasefeaturetoretrievethetablespace.Youperformthefollowingstepstoretrievethetablespace:
1.YoulogontoEnterpriseManagerasSYSDBA.
2.Youselectthemaintenancescreen.
3.YouchoosePerformRecoveryoptiononthemaintenancescreen.
4.YouchooseWholeDatabaseintheObjectTypedrop-downlistPerformRecovery:Typescreen.5.YouchooseRecovertoCurrentTimefromtheOperationTypeonthePerformRecovery:Typescreen.
6.YouprovidetheHostCredentialsforadatabaseuser.onthePerformRecovery:Typescreen.
7.Youclickthecontinuebutton.
Aninformationscreenappearssayingthatthedatabaseisunavailable.Whatisthisinformationscreen?()
第3题:
对于技术改造项目还应分析企业现有的哪些因素()
A、现有场地的可利用性
B、现有公用设施的可利用性
C、现有技术的可利用性
D、现有设备的可回收性
E、现有辅助设施的可利用性
第4题:
YouareresponsibleforCompany‘snetwork.
YouhavebeenassignedthetasktocreateanddeployastandardWindows2000Professionalimageto1,000newclientcomputersintheCompany‘smainoffice.YoulogontoaclientcomputernamedDuplicateTKbyusingthelocaladministratoraccount.YouinstallthreeWindows2000ProfessionalcompatiblesoftwarepackagesonDuplicateTK.Afterthesoftwareinstallationsaredoneyoucreateanimagewithathird-partyimagingsoftware.Youdeploytheimagetoatestclientcomputerandjointheclienttoadomain.Whenyoulogontothetestcomputerbyusingadomainuseraccount,thenewapplicationsdonotappearinthestartmenu.Youneedtobeabletore-createtheimagetoincludetheapplicationsintheStartmenuforallusers.
WhatactionshouldyoutakeonDuplicateTK?()
第5题:
Anadministratorhasconfiguredatwonodecluster,Node1andNode2withtworesourcegroups,RG1andRG2.
Theresourcegroupsareconfiguredasfollows:
RG1:
ParticipatingNodes:Node1,Node2
StartupPolicy:OnlineOnHomeNodeOnly
FalloverPolicy:FalloverToNextPriorityNodeInTheListFallbackPolicyNeverFallback
RG2:
ParticipatingNodes:Node2,Node1
StartupPolicy:OnlineOnHomeNodeOnly
FalloverPolicy:FalloverToNextPriorityNodeInTheListFallbackPolicy:FallbackToHigherPriorityNodeInTheList
AnOnlineonDifferentNodesDependencyhasbeenconfiguredas:HighPriorityResourceGroups:RG2
IntermediatePriorityResourceGroup:RG1
TheclusterhasbeenrunningwithoutanyproblemswithbothresourcegroupsontheirhomenodeswhenNode1suffersacriticaloperatingsystemproblemcausingthenodetohalt.Whatisthestatusoftheresourcegroups?()()
第6题:
Whichcodefragmentswillsucceedininitializingatwo-dimensionalarraynamedtabwithasizethatwillcausetheexpressiontab[3][2]toaccessavalidelement?()
CODEFRAGMENTa:int[][]tab={{0,0,0},{0,0,0}};
CODEFRAGMENTb:inttab[][]=newint[4][];for(inti=0;i
CODEFRAGMENTc:inttab[][]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
CODEFRAGMENTd:inttab[3][2];
CODEFRAGMENTe:int[]tab[]={{0,0,0},{0,0,0},{0,0,0},{0,0,0}};
第7题:
Companycomisplanningap5595runningAIX5L5.3LPARs.Theywouldliketodesignthesystemusingphysicalresourceswithmaximumresourceefficiency.OneLPARrequiresapeakloadof30processorsduringtheweekwithalowof1processorrequiredontheweekend.TheotherLPARrequiresonlyasingleprocessormostofthetime,butneedsatleast24processorsatthebeginningoftheweekendtofinishitsweeklyprocessinginthewindowallocated.
WhichofthefollowingsolutionsismostappropriatetocontinuouslymaximizeresourceuseforthesetwoLPARs?()
第8题:
YouarecreatinganonlinecatalogapplicationthatwilldisplayproductinformationonthecompanyWebsite.TheproductdataisstoredinaSQLServer2005database.ThedataisstoredasrelationaldatabutmustbepassedtotheapplicationasanXMLdocumentbyusingFORXML.YoutestyourapplicationandnoticethatnotalloftheitemsmatchingyourqueryappearintheXMLdocument.Onlythoseproductsthathavevaluesforallelementsintheschemaappear.
YouneedtomodifyyourTransact-SQLstatementsothatallproductsmatchingyourqueryappearintheXMLdocument.
Whatshouldyoudo?()
第9题:
YournetworkcontainstwoserversnamedServer1andServer2thatrunWindowsServer2012R2.
Server1hastheHyper-Vserverroleinstalled.Server2hastheWindowsDeploymentServicesserverroleinstalled.OnServer1,youhaveavirtualmachinenamedVM1.Youplantodeployan
imagetoVM1byusingWindowsDeploymentServices(WDS).YouneedtoensurethatVM1can
connecttoServer1byusingPXE.WhichsettingsshouldyouconfigureonVM1?Toanswer,selecttheappropriatesettingsintheanswerarea.
第10题:
YouareaExamSheetInc.consultantwhousesaWindows2000Professionalportablecomputer.YourdomainuseraccountisamemberofthelocalAdministratorgroup.
Fromyourportablecomputer,youmapadrivetoasharedfoldernamedConsultMerticsona
computernamedServer1.YouconfigureConsultMerticstobeavailableoffline.Whenyoulogoftheportablecomputer,youreceivethefollowingerrormessage.
Youneedtosuccessfullysynchronizetheofflinefiles.Whatshouldyoudo?()