recover
duplicate
restore
copy
None of the above
Which command is used to begin a tablespace point-in-time recovery？（） A、 Restore tablespaceB、 Recover tablespaceC、 Tablespace recoverD、 Recover to timeE、 recover datafile
点击查看答案
Which statement describes the significance of the CHANGE FAILURE command in RMAN？（）A、 It is used to change failure priority only for HIGH or LOW priorities.B、 It is used to execute the advised repair script.C、 It is used to change failure priority only for the CRITICAL priority.D、 It is used to explicitly close the open failures.E、 It is used to inform the database about the repair after the repair script executes.
The EMPLOYEES table is stored in the USERS tablespace. You need to check if the EMPLOYEES table is affected by the block corruption found in the USERS tablespace. Which option would you use？（） A、the DBNEWID utilityB、the ANALYZE commandC、the RMAN LIST commandD、the RMAN REPORT commandE、the RMAN CROSSCHECK commandF、the RMAN BLOCKRECOVER command
You configured the default backup device type as disk for RMAN backups. In your database，because of business requirements，you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used. What must you set using the RMAN CONFIGURE command to achieve this？（） A、 MAXSETSIZE TO 2B、 DEVICE TYPE DISK PARALLELISM 2C、 RETENTION POLICY TO REDUNDANCY 2D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2
View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation： RMAN> RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； } What is the multiplexing level in the preceding backup process？（）A、 4B、 8C、 7D、 0
You execute the following command to perform a backup by using Recovery Manager （RMAN）： RMAN> run {allocate channel c1 type sbt; backup datafile 1; } The command errors out. A part of the error message is as follows： RMAN/x7f03009： failure of allocate command on c1 channel ORA/x7f19554： error allocating device， device type： SBT_TAPE， device name： What could explain why the statement failed？（）A、sbt is not a valid device type.B、Media Management Library was not loaded.C、The sbt device cannot be used for data file backups.D、No path was defined in the ALLOCATE CHANNEL command.E、The channel is currently being used by another RMAN session.
You execute the following command to change the status of the SALES tablespace：SQL> ALTER TABLESPACE sales OFFLINE； Which statements describe the effect of the command（）A、The tablespace would require recovery to go back online.B、A checkpoint is taken on all data files that are associated with the SALES tablespace.C、The sessions that subsequently try to access the objects in the SALES tablespace receive an errorD、The new status of the SALES tablespace is recorded in the control file when the database instance isclosed
