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單項(xiàng)選擇題

Which of the following commands should be used to determine whether a logical volume is contiguous across a disk？（）

A. lslv
B. lsfs
C. lspv
D. fileplace

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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？（）

A. Increase physical disk
B. Increase number of CPU’s
C. Increase physical memory
D. Increase number of servers

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