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全部科目 > IBM认证考试 > IBM(000-234)

单项选择题

The rmss command provides the facility to run an application over a range of memory sizes and display the performance statistics. How is the simulated memory reset to the real memory of the machine？（）

A. rmss -c
B. rmss -p
C. rmss -r
D. rmss -s

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The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）

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Which of the following commands is used to adjust the minperm and Maxperm values of real memory to 4% and 80%？（）

A. vmtune -N4 -M80
B. vmtune -f4 -F80
C. vmtune -l4 -L80
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An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low.  Which of the following commands is used to reset the level？（）

A. vmtune -w
B. svmon -w
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D. vmstat -s
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