单项选择题
A system administrator is monitoring a system that has recently shown a decrease in performance. The administrator suspects there is an overload of traffic on a single Ethernet adapter. Which of the following commands is best to identify a possible overload of the Ethernet adapter？（）
A.ping
B.iostat
C.netstat
D.ifconfig
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相关考题
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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 -
单项选择题
Whatstanzafiledoesasystemadministratorviewtodeterminewhatkernel-tuningparameterchangesweremadewhenthesystemwaslastbooted？（）
A./etc/rc.net
B./etc/tunables/tuning
C./etc/tunables/lastboot
D./usr/samples/kernel/nextboot
