publicclassArrayTest{publicstaticvoidmain（String[]args）{floatfl[]，f2[]；fl=newfloat[10]；f2=f1；System.out.println（f2[0]=＋f2[0]）；}}Whatistheresult？（）

单项选择题Youexecutedthefollowingquery：SELECToperation，undo_sql，table_nameFROMflashback_transaction_queryWhichstatementiscorrectregardingthequeryoutput？（）

单项选择题Givenbelowisalistofscenarios：1）Auserterminateshissessionabnormally.2）Theconnectionbetweentheserverandtheclientapplicationterminatesbecauseofanetworkfailure.3）Aschemaisaccidentallydropped.4）Thetablespaceisaccidentallydroppedfromthedatabase.5）Theharddiskgetscorruptedandthedatafilesinthediskarelost.6）Thedatabaseinstanceabnormallyshutsdownbecauseofpowerfailure.WhichscenariosrequireDBAinterventiontoperformrecovery（）A.1，3，and6B.4，5，and6C.3，4，and5D.1，2，and6

单项选择题如果要使装入内存的程序在内存中移动后仍能正常运行，必须要有( )的支持。

单项选择题Youarecreatingacontentmanagementsystem（CMS）&ensp

单项选择题publicclassClassA{11.publicvoidcount（inti）{12.count（＋＋i）；13.}14.}And：20.ClassAa=newClassA（）；21.a.count（3）；Whichexceptionorerrorshouldbethrownbythevirtualmachine？（）

单项选择题10.interfaceFoo{}11.classAlphaimplementsFoo{}12.classBetaextendsAlpha{}13.classDeltaextendsBeta{14.publicstaticvoidmain（String[]args）{15.Betax=newBeta（）；16. insertcodehere17.}18.}Whichcode，insertedatline16，willcauseajava.lang.ClassCastException？（）A.Alphaa=x；B.Foof=（Delta）x；C.Foof=（Alpha）x；D.Betab=（Beta）（Alpha）x；

单项选择题YouworkinacompanywhichusesSQLServer2008.Youaretheadministratorofthecompanydatabase.NowyouareinchargeofaSQLServer2008instance.ThereisadatabasenamedDB1intheinstance.TheDB1databaseincludesspatialdatatypes.OnDB1databse,youhavetoperformadatabaseconsistencychecktoincludethespatialindexes.Besidesthis,youmustmakesurethatyoucanreducetheeffectonthedatabaseconcurrencytotheleast.SowhichTransact-SQLstatementshouldyourun?（）A.DBCCCHECKCATALOG(DB1);B.DBCCCHECKALLOC(DB1)WITHTABLOCK;C.DBCCCHECKDB(DB1)WITHTABLOCK,PHYSICAL_ONLY;D.DBCCCHECKDB(DB1)WITHEXTENDED_LOGICAL_CHECKS;

单项选择题Yourcompanyhasamainofficeandthreebranchoffices.ThecompanyhasanActiveDirectoryforestthathasasingledomain.Eachofficehasonedomaincontroller.EachofficeisconfiguredasanActiveDirectorysite.AllsitesareconnectedwiththeDEFAULTIPSITELINKobject.Youneedtodecreasethereplicationlatencybetweenthedomaincontrollers.Whatshouldyoudo（）A.Decreasethecostbetweentheconnectionobjects.B.Decreasethereplicationintervalforallconnectionobjects.C.DecreasethereplicationintervalfortheDEFAULTIPSITELINKobject.D.DecreasethereplicationschedulefortheDEFAULTIPSITELINKobject.

单项选择题YouareimplementinganASP.NETpage.ThepageincludesamethodnamedGetCustomerOrderDataSetthatreturnsaDataSet.TheDataSetincludesaDataTablenamedCustomerDetailsTableandaDataTablenamedOrderDetailsTable.YouneedtodisplaythedatainOrderDetailsTableinaDetailsViewcontrolnameddtlView.Whichcodesegmentshouldyouuse？（）A.dtlView.DataSource=GetCustomerOrderDataSet（）；dtlView.DataMember= OrderDetailsTable ；dtlView.DataBind（）；B.dtlView.DataSource=GetCustomerOrderDataSet（）；dtlView.DataSourceID= OrderDetailsTable ；dtlView.DataBind（）；C.dtlView.DataSource=GetCustomerOrderDataSet（）；dtlView.DataKeyNames=newstring[]{ OrderDetailsTable }；dtlView.DataBind（）；D.DataSetdataSet=GetCustomerOrderDataSet（）；dtlView.DataSource=newDataTable（ dataSet ， OrderDetailsTable ）；dtlView.DataBind（）；

单项选择题YourcompanyhasanActiveDirectorydomain.AllserversrunWindowsServer2008.YourcompanyusesanENterpriseRootcertificationauthority（CA）andanEnterpriseIntermediateCA.TheEnterpriseintermediateCAcertificateexpires.YouneedtodeployanewEnterpriseIntermediateCAcertificatetoallcomputersinthedomain.Whatshouldyoudo（）A.ImportthenewcertificateintotheIntermediateCertificationStoreontheEnterpriseRootCAserver.B.ImportthenewcertificateintotheIntermediateCertificationStoreontheEnterpriseIntermediateCAserver.C.ImportthenewcertificateintotheIntermediateCertificationStoreintheDefaultDomainControllersgroupobject.D.ImportthenewcertificateintotheIntermediateCertificationStoreintheDefaultDomaingrouppolicyobject.