WhichofthefollowingcommandsshouldbeusedtodetermineDNSnameresolutionperformance?()
A.iptrace
B.vmstat
C.hostname
D.ifconfig
A.iptrace
B.vmstat
C.hostname
D.ifconfig
第1题
A.Theerrordaemonrunsintheforegroundandreadsthe/etc/errptfile.
B.Theerrordaemonisinvokedbytheuserwhenrequiredanditreadsthe/usr/lib/errpt.
C.Theerrordaemonisinvokedwhenevertheerroroccursanditreadsthe/usr/lib/errpt.
D.Theerrordaemon/usr/lib/errdemonrunsinthebackgroundonmostmachinesandreadsthe/dev/errorspecialfile.
第2题
Asystemadministratorwantstoperformsomesystemmaintenance.TheAIXinstallationCDisintheCDROMdrive,howeverthesystemwillnotbootfromtheCD.WhichcommandwillassistindeterminingiftheCDROMdriveiscurrentlyabootabledevice?()
A.lscfg-lcd0-v
B.bootlist-mservice-o
C.bosboot-a-d/dev/cd0
D.chdev-lcd0-aboot=yes
第3题
A.TheamountoftimetakentoserviceanI/Ointerrupt
B.ThepercentageoftimeCPU(s)arewaitingforpageins
C.ThepercentageoftimetheCPU9(s)arewaitingonnetwork
D.ThepercentageoftimetheCPU(s)arewaitingforoutstandingdiskI/Orequests
第4题
A./var/log/syslog.out
B./var/log/cron.log
C./var/spool/cron/logs
D.mail
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