Which of the following commands can be used to obtain information about filesets on the system that are later than the current maintenance level？（）

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

单项选择题Thebos.perfpackageispartofthebaseoperatingsystem.PerformanceDiagnostictool，PDT，isapartofbos.perf.AllofthefollowingstatementsaretrueEXCEPT？（）

A. PDT attempts to identify performance problems automatically by collecting and integrating a wide range of performance， configuration and availability data.
B. PDT consists of three components， the collection component comprises a set of programs that periodically collect and record data， the retention component periodically reviews the collected data and discards data that is obsolete， and the reporting component periodically produces a diagnostic report from the current set of historical data.
C. PDT contains  motif-based， AIX licensed programs that can easily access tools for system and network performance tuning， monitoring， and analysis.
D. PDT assesses the current state of a system and tracks changes in workload and performance. It attempts to identify incipient problems and suggest solutions before the problems become critical.