單項選擇題

Which of the following commands should be used to set network attributes on a currently running kernel？（）

A. no
B. chdev
C. vmtune
D. schedtune

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單項選擇題

Which of the following commands should be used to view and change the network filesystem tuning parameters available on the system？（）

A. no
B. nfso
C. vmtune
D. exportfs

單項選擇題

Which of the following commands displays the number of system calls per second that are being executed？（）

A. sar
B. pstat
C. iostat
D. filemon