单选题
A An incremental backup strategy will be used automatically.
B Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.
C RMAN will configure itself for maximum performance at the cost of CPU.
D RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.
E RMAN will automatically compress backups.
正确答案
答案解析
略
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