未知题型 YouworkasadatabaseadministratorforSupportcenter.cn.Youwanttoadministeryourdatabaseservers，whicharerunningondifferenthostmachines，usingtheWeb-enabledgridcontrolinterface.Youhaveconfiguredtheagentonthehostmachines.YouhavestartedtheOracleDatabase10gGridControlutilityonyourmachine.Whichtwoadditionalcomponentswouldyouconfiguretoachievethisobjective？（）A.ApplicationServerControlB.OracleManagementServiceC.OracleEnterpriseManagerRepositoryD.OracleEnterpriseManagerDatabaseControl

未知题型 GiventhatThingisaclass，howmanyobjectsandreferencevariablesarecreatedbythefollowingcode？（）Thingitem，stuff；item=newThing（）；Thingentity=newThing（）；

未知题型 Identifythelogicalstructurethatwillneverhavemorethanonedatasegmentcreatedforit.（）