（70）You configured the Flash Recovery Area (FRA) for your database. The database instance is running in ARCHIVELOG mode.

The default location for the archived redo log files is the Flash Recovery Area.

Which two files are removed automatically if the space is required in the FRA as per the retention policy? (Choose two.)

A. flashback log files

B. backups that have become obsolete

C. copies of the data files and control files

D. archived redo log files that have multiple copies in a different archive location and not backed up

答案：（A、B）

解析：

闪回日志和备份都是有保留期的，如果obsolete了，就可以自动删除了

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Oracle 11G OCP 1Z0-052 70