单项选择题
A. Set metric threshold
B. Implement Database Resource Manager
C. Enable resumable timeout for user sessions
D. Add directives to Automatic Database Diagnostic Monitor (ADDM)
单项选择题 Examine the following RMAN command:RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?（）
多项选择题 For which two database objects can the VERSIONS clause of the Flashback Versions Query be used?（）(Choose two.)
单项选择题 After you have restored and recovered a database to a new host by using a previously performed Recovery Manager (RMAN) backup, which is the best option you would consider for the new database?（）