单项选择题
单项选择题 AP与交换机采用五类线/超五类线连接时,交换机与AP之间的距离应满足五类线的()米传输距离限制.
单项选择题 YouaredoinganenvironmentassessmentforaclientthathasinvestedinOracleRACforfaulttolerance,loadbalancing,andscalability.TheclientalsoinvestedinclusteredOracleWebLogicServer.Younoticethatthisclient’senvironmentisnotintegratedforactive-activehighavailabilitydeploymentofapplications.Whatwillbeyourrecommendationtoachievethat?()A.MetaLinktoRACB.ClusterLinktoRACC.TopLinktoRACD.GridLinktoRAC
单项选择题 ViewthefollowingSQLstatements:TransactionT1INSERTINTOhr.regionsVALUES(5,’Pole’);COMMIT;TransactionT2UPDATEhr.regionsSETregion_name=’Poles’WHEREregion_id=5;COMMIT;TransactionT3UPDATEhr.regionsSETregion_name=’NorthandSouthPoles’WHEREregion_id=5;YouwanttobackouttransactionT2.Whichoptionwouldyouuse?()A.Itispossible,buttransactionT3alsobacksout.B.ItispossiblewiththeNOCASCADE_FORCEoption.C.ItispossiblewiththeNONCONFLICT_ONLYoption.D.ItisnotpossiblebecauseithasconflictswithtransactionT3.
单项选择题 YouarecreatinganewformfortheOrderEntryapplication.Youdefinearecordgroupthatwillbecreatedwhentheformisexecutingthisbuiltin:CREATE_GROUP(rg_emplist,global_scope)Whichform(s)intheapplicationwillhaveaccesstothisrecordgroup?()A.Allformsintheapplication.B.Anyformsopenedbytheuserwhoinitiatedtherecordgroup.C.OnlytheformissuingtheCREATE_GROUPbuilt-in.D.Anyformsreferencedbytheformthatcontainstheprocedure.
单项选择题 Whenimportingatableintoadatabase,theimportprocessperformsthesetasks:1.Triggersareimported.2.Dataisimported.3.Newtablesarecreated.4.Indexesarebuilt.5.Anybitmap,functional,and/ordomainindexesarebuilt.6.Integrityconstraintsareenabledonthenewtables.Whichoptionshowsthetasksintheorderinwhichtheyareperformed?()A.2,3,4,1,6,5B.3,2,4,1,6,5C.3,2,6,4,1,5D.4,2,3,1,5,6