146. The database is running in ARCHIVELOG mode and the FORMAT option
is not configured in RMAN for disk backups. You configured the flash
recovery area location and size by using the DB_RECOVERY_FILE_DEST a
nd DB_RECOVERY_FILE_DEST_SIZE initialization parameters. Which statem
ent is correct in this scenario?
A. If the FORMAT option to the RMAN BACKUP command is specified, then
RMAN creates backup pieces and image copies in the flash recovery ar
ea with names in the Oracle Managed Files (OMF) format.
B. If any local destinations for LOG_ARCHIVE_DEST_n are set, then arc
hived redo logs are stored in these destinations as well as in the fl
ash recovery area.
C. If the flash recovery area location is configured using the DB_REC
OVERY_FILE_DEST initialization parameter, then the RMAN backup of Ora
cle managed datafiles (OMF) only will go to the flash recovery area b
D. If no other destination is configured for recovery files, then RMA
N places the control file autobackups in the flash recovery area by d
db_recovery_file_dest 如果指定目录,就启用闪回功能，存放归档日志 备份等
缺省的归档存放位置 db_recovery_file_dest_size 大小
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