多选题Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATE CHANNEL commands in RMAN ？（）ALimiting the input/output （I/O） bandwidth consumptionBSpecifying the size of backup sets and backup piecesCSpecifying vendor-specific information for a media managerDSpecifying the parallelism for backup and restore operations
多选题
Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATE CHANNEL commands in RMAN ？（）
A
Limiting the input/output （I/O） bandwidth consumption
B
Specifying the size of backup sets and backup pieces
C
Specifying vendor-specific information for a media manager
D
Specifying the parallelism for backup and restore operations
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