（单选题）
You are tuning RMAN to optimize performance. You want tape I/O to be asynchronous when you perform tape backups. Which action should you take？（）
A Set the BACKUP_TAPE_IO_SLAVES parameter to FALSE
B Set the BACKUP_TAPE_IO_SLAVES parameter to TRUE
C Use compression when performing tape backups
D Configure multiple SBT channels
正确答案
答案解析
略
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