单项选择题

When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）

A. The number pages over the limit
B. The pages to paging space per second
C. The number of page operations per second
D. The number of processes waiting for page out

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热门试题

单项选择题While monitoring a system that is CPU bound， which of the following output is most likely to occur？（）

A.A
B.B
C.C
D.D

单项选择题Whichofthefollowingcommandsshouldbeusedtoreportstatisticsonnetworkprotocolsusedbythesystem？（）

A. lsattr
B. pstat
C. netstat
D. ifconfig

单项选择题Whichofthefollowingtoolsshouldbeusedtoanalyzetheplacementoffilefragmentsonamirroredlogicalvolume？（）

A. df
B. lslv
C. filemon
D. fileplace

单项选择题Whichofthefollowingcommandsshouldbeusedtoshowthepercentageoftimethatanygivendiskwasbusy？（）

A. ps
B. tprof
C. iostat
D. vmstat

单项选择题Themaxmbuffislowbydefaultforsystemsexpectinghighnetworktrafficand orusage.Whichofthefollowingutilitiesshouldbeusedtoreportrequestsformbufsthathavefailedand orbeendenied？（）

A. no
B. ping
C. netstat
D. ifconfig