Oracle OCP 1Z0 053 Q27

27.You are using the flash recovery area (fast recovery area in 11g Release 2) to store backup related
files in your database.
After regular monitoring of space usage in the Mash recovery area. You realize that the flash recovery
area is (jetting filled up very fast and it is running out of space. Your database flash recovery area is low
on specie and you have no more room on disk. Proactively, which two options could you use to make
more space available in the flash recovery [Choose two]
A. Change the RMAN archived log deletion policy.
B. Use the RMAN CROSSCHECK command to reclaim the archived log space.
C. Change the RMAN retention policy to retain backups for a shorter period of time.
D. Use OS command to move files from the flash recovery area to some other location
Answer: BD


參考：http://blog.csdn.net/rlhua/article/details/14057797

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