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 operatio
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离心泵的基本性能参数为()
A. 流量、扬程、功率和效率
B. 流量、扬程和功率
C. 扬程、功率、效率
120 F、月采用了直接作用方式。
A. 正确
B. 错误
气管插管麻醉能在任何体位下保持呼吸道通畅。
A. 正确
B. 错误