单选题
In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: 
Which statement is true about the outcome?（）
发布日期：2021-01-28
Only one channel is allocated and the backup is created in the flash recovery area
Only one channel is allocated and the backup is created in the destination specified for channel
Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2
Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA
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