单项选择题

Which of the following commands should be used to observe the number of system calls per second? （）

A. sar
B. iostat
C. svmon
D. vmstat

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单项选择题

All of the following types of statistics are reported by the iostat command tool EXCEPT:（）.

A. Free memory
B. CPU statistics
C. Disk statistics
D. Terminal statistics

单项选择题

To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （）

A. errpt -t
B. errpt -a
C. errpt -D
D. errpt

单项选择题

An SSA disk that is part of the mirrored volume group needs to be replaced. Which of the following procedures should be performed before the disk is physically able to be replaced?（）

A.reducevg, rmdev, syncvg
B.rmlvcopy, exportvg, rmdev
C.rmlvcopy, reducevg, rmdev
D.No action is required since SSA is a Hot Swap device and is mirrored