题目内容

Identify the channel settings that can be performed using the CONFIGURE CHANNEL or ALLOCATECHANNEL commands in RMAN() (choose all that apply)

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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儿童游戏以游戏的教育作用为依据分为()、()、()、()、()、()、()。

As an extinguishing agent,foam().

A. conducts electricity
B. should be directed at the base of the fire
C. is most effective on burning gases which are flowing
D. extinguishes by cooling oil fires below ignition temperature

可使用R12也可使用R22的氟压缩机,内充R12时,其运行参数有何变化?(与充R22时相比)

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