Your flash recovery area becomes full when you are running and RMAN backup (and has not yet reached the value specified by DB_RECOVERY_FILE_DEST). It is the destination for archived redo log files and backups. What will happen to the database? (Choose the best answer)
A. If you have the flash recovery area set to autoextend, the backup will continue with no problem.
B. The database will hang until you add more space to the flash recovery area.
C. RMAN will delete obsolete backups from the flash recovery area to accommodate new backups.
D. The RMAN backup will hang until you add more space to the flash recovery area.
Answer: C
A错误，因为FRA不能配置为自动扩展；
B错误，因为备份将失败，数据库将继续运行；
D错误，因为RMAN将尝试清理过时文件，并且失败，备份将终止并给出错误信息；来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/81227/viewspace-2125338/ ，如需转载，请注明出处，否则将追究法律责任。
