Which of the following commands can be used to watch system errors as they are logged？（）

单项选择题Whichofthefollowingcommandscanbeusedtoobtaininformationaboutfilesetsonthesystemthatarelaterthanthecurrentmaintenancelevel？（）

A. lslpp -I
B. uname -r
C. oslevel -g
D. rpcinfo -p

单项选择题ASystemAdministratorneedstodetermineifthesystemhasthelatestversionofperfmgrandifthefilesetscopiedtothe tmpdirectoryarethelatest.Whichofthefollowingcommandsequenceswouldberequiredtoaccomplishthis？（）

A. lslpp -l perfmgr.* ； cd /tmp ； installp -ld
B. smitty list_software ； oslevel -g
C. smitty list_software ； lslpp -f perfmgr*
D. cd /usr/sys/install.images ； ls -la ； cd /tmp ； ls -la

单项选择题WhentryingtoruntopasonanAIX4.3.xsystem，thesystemadministratorgetstheerrormessage ksh：topas：notfound. Whichofthefollowingoptionsisthemostlikelyreasonthisoccurred？（）

A. The fileset bos.perf.tools is not loaded on this system.
B. The fileset perfagent.tools is not loaded on this system.
C. The command topas is only available in AIX version 5.x.
D. The path variable does not include /usr/samples/kernel/. Either add it to the .profile or cd to that location and run the command again.

单项选择题WhenanalyzingdiskI Operformance，whichofthefollowingmetricsand orstatisticsshouldbeincludedinthestudy？（）

A. Disk size， stock availability， VHDCI
B. Disk size， distance， temperature， and compatibility
C. Disk fragmentation， MTBF， and maintenance
D. Disk configuration， throughput， transactions， queues， and latencies

单项选择题Whichofthefollowingcommandscanbeusedtocommitappliedfilesets？（）

A. /usr/sbin/installp -C
B. /usr/sbin/inutoc -c
C. /usr/sbin/installp -c
D. /usr/sbin/lsresource -c