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單項(xiàng)選擇題

What command would you use to ensure that backup records in the control file are pointing to actual physical files on the backup media？（）

A. crosscheck
B. list backup
C. confirm
D. resync
E. backup validate

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單項(xiàng)選擇題

Which command would you use to determine what database backups are currently available for restore？（）

A. list database backup
B. report database backup
C. list backup of database
D. list summary backup
E. report backup of database

單項(xiàng)選擇題

David managed to accidentally delete the datafiles for database called DSL. He called Heber and Heber tried to help but he managed to delete the control files of the database. Heber called Bill and Bill saved the day. They are using a recovery catalog for this database.
What steps did Bill perform to recover the database and in what order？（）
a. Restored the control file with the RMAN restore controlfile command.
b. Mounted the DSL instance with the alter database mount command.
c. Restored the datafiles for the DSL database with the RMAN restore command.
d. Opened the DSL database with the alter database open resetlogs command.
e. Recovered the datafiles for the DSL database with the RMAN recover command.
f. Started the DSL instance.
g. Connected to the recovery catalog with RMAN.

A. a， b， c， d， e， f， g
B. b， c， d， g， f， e， a
C. g， f， a， b， c， e， d
D. c， a， d， b， f， e， g
E. g， f， a， b， e， c， d