单项选择题
A.The operation would fail if tbs_1 were a read-only tablespace.
B.The operation would fail if tbs_1 were a read/write tablespace.
C.The operation would fail if tbs_1 were the default tablespace for the database.
D.If the above operation were successful， media recovery would be required to bring the tablespace online.
E.If the above operation were successful， instance recovery would be required to bring the tablespace online.
多项选择题 The following are the details of your database：Instance name：test Host name ： tech1.us.oracle.com IP address：145.33.230.186 Enterprise Manager Console HTTP Port number：5500 You started the database instance and you want to manage your database remotely with Enterprise Manager through a Web browser. Which two URLs would you use to access the Database Control？（）
单项选择题 You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）
多项选择题 Yourapplicationdemandsfrequentconnectionanddisconnectionfromthedatabase.YouhavethreelistenerprocessesthatarelisteningforthedatabasePROD.WhilesettinguptheconnectstringusingOracleEnterpriseManager10gDatabaseControl，whichtwooptionswouldyouselecttobalancetheconnectionloadacrossallthelistenerprocesses？（）