单项选择题
A system administrator ran the iostat command because of system performance problems. The following iostat output is provided:
Based on the output, which of the following is insufficient?()
A.CPU
B.Memory
C.Paging space
D.Disk capacityX
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相关考题
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单项选择题
Asystemadministratorismonitoringasystemthathasrecentlyshownadecreaseinperformance.TheadministratorsuspectsthereisanoverloadoftrafficonasingleEthernetadapter.WhichofthefollowingcommandsisbesttoidentifyapossibleoverloadoftheEthernetadapter?()
A.ping
B.iostat
C.netstat
D.ifconfig -
单项选择题
Asystemadministratorismonitoringasystemthathasrecentlyshownadecreaseinperformance.Theadministratorsuspectsthatthesystemmaybelowonmemoryandmaybepagingexcessively.Whichofthefollowingcommandsisbesttoidentifyapossiblepagingproblem?()
A.iostat
B.netstat
C.ps
D.vmstat -
单项选择题
Whatcommandshouldasystemadministratorrunafterusinganeditortocreatethe/etc/tunables/nextbootfile?()
A.ksh -n nextboot
B.tunsave -a -f nextboot
C.tuncheck -r -f nextboot
D.diff $(vmtune) /etc/tunables/nextboot
