A. The database re-created the missing redo log files automatically.
B. The database continues to function normally with the existing files.
C. The database allows only queries， no other statements are allowed.
D. The database returns and error and the database instance shuts down.
E. The user sessions that generate redo logs are terminated automatically.

A. Export and import the mapping table.
B. Drop and re-create the mapping table.
C. Truncate the mapping table and reinsert the values.
D. Use the ALTER TABLE .. REBUILD command to defragment the mapping table.

A. You find that one of the redo log members in each redo log group is lost.
B. You find that a data file that belongs to the USERS tablespace is damaged.
C. You find that a data file that belongs to the SYSTEM tablespace is damaged.
D. You find that the current redo log group is damaged and is not available for recovery.
E. You realized while performing a recovery that an archived redo log file needed for recovery is lost.

A. The subplan must belong to the consumer group， SYS_GROUP.
B. The total CPU usage at any given level must be less than 100%.
C. The subplans can be used to restrict the degree of parallelism for a user.
D. You can use a resource plan instead of a consumer group to implement a priority ranking within the plan.

A. This operation resets the SCN for the database.
B. This operation creates a new incarnation of the database.
C. This operation moves all the redo log files to a different location.
D. This operation deletes the old redo log files and creates new redo log files.
E. This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

A. RMAN image copies.
B. RMAN database backups.
C. RMAN tablespace backups.
D. User-managed backups placed in the flash recovery area.
E. User-managed backups that have been cataloged with RMAN.
F. User-managed data file backups for which the pull path name is specified.

A. DATE
B. TIMESTAMP
C. INTERVAL YEAR TO MONTH
D. INTERVAL DAY TO SECOND
E. TIMESTAMP WITH LOCAL TIME ZONE

A. GRANT dba TO dbmgr；
B. GRANT connect TO dbmgr；
C. GRANT resource TO dbmgr；
D. GRANT hs_admin_role TO dmbgr；
E. GRANT manage scheduler TO dbmgr；

A. BMR lowers the mean time to recover （MTTR）.
B. BMR supports point-in-time recovery of individual data blocks.
C. BMR enables you to use incremental backups for block recovery.
D. BMR enables recovery even when the database is not mounted or open.
E. BMR enables you to use proxy backups to perform block media recovery.
F. BMR enables increased availability of data during recovery because the data file requires a recovery can remain online.

A. A window must have been created with the WEEKEND_PLAN resource plan.
B. A program must have been created with the WEEKEND_PLAN resource plan.
C. A job class must have been created with the WEEKEND_PLAN resource plan.
D. A windows group must have been created with the WEEKEND_PLAN resource plan.