单选题What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?（）ACONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA BCONFIGURE DEFAULT DEVICE TYPE TO TAPE CCONFIGURE DEFAULT DEVICE TYPE TO SBT DCONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE
单选题
What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?（）
A
CONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA
B
CONFIGURE DEFAULT DEVICE TYPE TO TAPE
C
CONFIGURE DEFAULT DEVICE TYPE TO SBT
D
CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE
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