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【单选题】

What information is displayed by the command cat/proc/dma?()

A、 whether DMA is enabled

B、 which DMA channels are in use

C、 which DMA mode is in use

D、 general information about DMA on the machine

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第2题

A、The 1-way p615 cannot be upgraded to a 2-way p615.  B、The 1-way p615 can be upgraded to a 2-way p615 should additional capacity be required.  C、The p615 can be upgraded to a POWER5-based processor.  D、The p615 is not a good solution, as it does not take advantage of the Advanced POWER Virtualization features.  

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第3题

A、 It allows you to get inter partition reports, or cross partition performance activity.  B、 It will allow IBM remote technical support to get performance information from the machine.  C、 It is effective only on POWER6 and when Live Partition Mobility operations are planned.  D、 It will start standard performance monitoring tools when an LPAR boots up, the output will be saved to the /etc/perf directory by default.  

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