You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode. Which two statements are true in this scenario（）

A . You must shut down the database instance to perform the backups. B . You must configure the Flash Recovery Area （FRA） for the database. C . You can perform complete database backups without closing the database. D . All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.

时间：2022-11-10 10:57:54 所属题库：1Z0-052题库

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