单项选择题
A.Assign the DEFAULT profile to the users
B.Set the RESOURCE_LIMIT parameter to TRUE in the parameter file
C.Create a new profile with CPU restrictions and assign it to the users
D.Specify the users as members of the DEFAULT_CONSUMER_GROUP
E.Revoke the DBA role and grant CONNECT and RESOURCE role to the users
单项选择题 YourSupportcenter.cndatabaseisinARCHIVELOGmode.ThedatafilethatbelongstotheSYSTEMtablespacehasbecomecorrupted.Uptowhatpointcanyourecoverthedatabase？（）
单项选择题 YouworkasadatabaseadministratorforSupportcenter.cn.Inyourproductiondatabase，thesizeofDatabaseBufferCacheneedstobeincreasedimmediatelyforthecurrentaswellasfutureinstancesofthedatabase.TheOracleinstancehasbeenconfiguredtoaccommodateanychangesinthesizeofthememorystructures.Atthisisproductiondatabase，youwanttoaccomplishthistaskwithnoimpactontheuser’sconnections.Whichactivitymustyouhavecompletedbeforeaccomplishingthistask？（）
多项选择题 You work as a database administrator for Supportcenter.cn. You decided to manage client and server connections using Local Naming method in Supportcenter.cn. When you try to connect to the database you get the following error： ERROR： ORA-12154：TNS：couldnot resolve service name Which network configuration files would you look into to resolve this error？（）