单项选择题1.classExc0extendsException{}2.classExc1extendsExc0{}3.publicclassTest{4.publicstaticvoidmain(Stringargs[]){5.try{6.thrownewExc1();7.}catch(Exc0e0){8.System.out.println(Ex0caught”);9.}catch(Exceptione){10.System.out.println(exceptioncaught”);11.}12.}13.}Whatistheresult?()A.Ex0caughtB.exceptioncaughtC.Compilationfailsbecauseofanerroratline2.D.Compilationfailsbecauseofanerroratline6.
单项选择题AnapplicationconnectstoaSQLAzuredatabase.TheapplicationoccasionallylosestheconnectiontotheSQLAzuredatabase.Youneedtorecommendanapproachforreliablycompletingdataaccessoperations.Whatshouldyourecommend?()A.UseMicrosoftADO.NETconnectionpooling.B.Passexceptionstotheuserinterfacelayer.C.Implementaretrypolicyinthedataaccesslayer.D.Beginatransactionbeforeeachdataaccessoperation.
单项选择题YouaredesigningaWindowsAzuresolution.Thesolutionwillbeusedbymultiplecustomers.Eachcustomerhasdifferentbusinesslogicanduserinterfacerequirements.Notallcustomersusethesameversionofthe.NETruntime.Youneedtorecommendadeploymentstrategy.Whatshouldyourecommend?()A.Deployinamultitenantconfiguration.B.Deployinasingle-tenantconfiguration.C.Deploywithmultiplewebroleinstances.D.Deploywith multipleworkerroleinstances.
单项选择题YouareinstallinganapplicationonacomputerthatrunsWindowsServer2008R2.Duringinstallation,theapplicationwillneedtoaddnewattributesandclassestotheActiveDirectorydatabase.Youneedtoensurethatyoucaninstalltheapplication.Whatshouldyoudo()A.ChangethefunctionalleveloftheforesttoWindowsServer2008R2.B.LogonbyusinganaccountthathasServerOperatorrights.C.LogonbyusinganaccountthathasSchemaAdministratorrightsandtheappropriaterightstoinstalltheapplicatioD.LogonbyusinganaccountthathastheEnterpriseAdministratorrightsandtheappropriaterightstoinstalltheapplicatio
单项选择题Ifabackupisexpired,whichofthefollowingistrue?()
单项选择题Whichcommandwillresultinatracefilebeingcreatedwiththecreatecontrolfilecommandcontainedinit?()
单项选择题()个变量的地址称为该变量的“指针”。
A.1B.2C.3D.4
单项选择题Becauseofhardwarefailure,youdecidedtodroparedologmemberfromthedatabase.Whichconditionshouldbemettodroparedologfile?()
单项选择题WhatdoestheFastConnectionFailoverfeatureofActiveGridLinkforRACprovide?()
单项选择题YouobservethatinyourPRODdatabase,customerinformationisbeingmodifiedbysomeunauthorizedusers.YouwanttokeeptrackofallofthetransactionshappeningonthetableusingPL SQL.WhichtypeofPL SQLsubprogramorconstructwouldyouusetoaccomplishthistask?()A.functionsB.packagesC.proceduresD.databasetriggersE.anonymousPL SQLblock
单项选择题Evaluatethefollowingfunctioncode:CREATEFUNCTIONget_dept_avg(dept_idNUMBER)RETURNNUMBERRESULT_CACHERELIES_ON(EMPLOYEES)ISavgsalNUMBER(6);BEGINSELECTAVG(SALARY)INTOavgsalFROMEMPLOYEESWHEREDEPARTMENT_ID=dept_id;RETURNavgsal;ENDget_dept_avg;Whichstatementistrueregardingtheabovefunction?()A.ThecachedresultbecomesinvalidwhenanystructuralchangeisdonetotheEMPLOYEEStable.B.Ifthefunctionexecutionresultsinanunhandledexception,theexceptionresultisalsostoredinthecache.C.Eachtimethefunctionisinvokedinadifferentsession,thecurrentresultintheresultcachegetsoverwritten.D.Ifthefunctionisinvokedwithadifferentparametervalue,theexistingresultintheresultcache getsoverwrittenbythelatestvalue.
单项选择题YouconfiguredthelargepoolforOraclebackupandrestoreoperations.Asaresult,whichcomponentwouldrequirelessmemory?()
单项选择题Thesalesreportneedstodisplaythesalespersonwiththehighestordertotal.Whichbuildreportbuildercomponentwouldyouusetocreateaplaceholdercolumntodisplaythevalue?()
单项选择题TheDB_BLOCK_CHECKINGinitializationparameterissettoFALSE.Whatlevelofblockcheckingwouldbeperformed?()
单项选择题您有一台运行WindowsVista的计算机。您在计算机的新分区上安装Windows7。您需要确保计算机总是在默认状态下启动WindowsVista。您应该怎么办?()