OCP-1Z0-053-V13.02-682题
682. Identify the scenarios in which the RMAN CROSSCHECK comm and is useful. (Choose all that apply.)
A.To check that the obsolete backups are deleted from the repository records and from the disk.
B.To update the RMAN repository ifyou delete archived redo logs with operating system commands.
C.To update outdated information about backups thatdisappeared from disk or tape or became corrupted and inaccessible.
D.To synchronize the actual files on disk or in the media management catalogwith the RMAN repository for which the backup wasnot taken using RMAN.
Answer: AD 答案解析：参考：http://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmmaint.htm#BRADV287正确答案应为BCCrosschecks are useful because they can do the following:
[*] Update outdated informationabout backups that disappeared from disk or tape or became corrupted
[*] Update the repository if you delete archived redo logs or other files with operating system commands
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