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For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？（）
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.

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出自：Oracle认证

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