多项选择题
Which two changes and their effect on the system can be tested by using the Database Replay feature？（）
A. multiplexing of the control file B. adding the redo log member to the database C. database and operating system upgrades D. changing the database storage to ASM-managed storage
多项选择题 WhichtwoaretheusesoftheASMmetadatabackupandrestore（AMBR）feature？（）
多项选择题 WhichtaskscanbeaccomplishedusingtheEnterpriseManagerSupportWorkbenchinOracleDatabase11g？（）
单项选择题 Whichstatementistrueregardingvirtualprivatecatalogs？（）
