问题：单选题Which of the following commands should be used to monitor the number of bytes read on any given disk？（）AtprofBtopasCfilemonDvmstat
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问题：单选题Which fileset includes the commands vmstat and sar？（）Abos.perfBbos.acctCbos.adt.samplesDperfagent.tools
问题：单选题Which of the following commands is used to adjust the minperm and Maxperm values of real memory to 4% and 80%？（）Avmtune -N4 -M80Bvmtune -f4 -F80Cvmtune -l4 -L80Dvmtune -p4 -P80
问题：单选题The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log， loglv00 and one filesystem， /mydatabase. There are no other logical volumes on this disk. Which of the following options would be the best solution？（）AIncrease the size of the JFS log logical volume so more transacations can be written to this log.BCreate a second， additional JFS log and have the /mydatabase logical volume point to both JFS logs.CMigrate the JFS log device to another physical disk in the same volume group.DOnly one JFS log device for each volume group can be used. Use the migratepv command to move the JFS log device to an empty disk in another volume group.
问题：单选题When monitoring a system using /usr/bin/vmstat with an interval， the metrics under page pi and page po represent which of the following phrases？（）AThe pages to and from paging space per secondBThe page intervals and page operations per secondCThe page interrupts and page operations per secondDThe page segments transferred between pi and po devices per second
问题：单选题Which of the following performance tools will work with optimized code and also provides source statement profiling？（）AprofBgprofCkprofDtprof
问题：单选题In an iostat report， which of the following options best describes the value of % tm_act？（）AThe total CPU usage for this driveBThe bandwidth utilization of the indicated driveCIt can best be represented by the equation （%iowait - %ioidle）DIt can best be represented by the equation （kilobytes read/kilobytes written） *100
问题：单选题How are hardware errors removed from an error report that are more than 30 days old？（）A/usr/bin/errpt -d H 30B/usr/sbin/errclear - J H 30C/usr/bin/errclear -d H 30D/usr/sbin/errclear -j H 30
问题：单选题An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change？（）Avmtune -MBsvmon -mCvmstat -sDschedtune -m
问题：单选题Which of the following commands should be used to obtain information about the installed software？（）Asmit systemBsmit installpCsmit licensesDsmit list_software
问题：单选题Which of the following commands should be used to set network attributes on a currently running kernel？（）AnoBchdevCvmtuneDschedtune
问题：单选题Which tool is based on the AIX trace facility？（）AnoBnetpmonCentstatDnfso
问题：单选题Which of the following commands should be used to identify packet sequence problems？（）Aping and arpBlsattr and ifconfigCnetstat and iostatDiptrace and tcpdump
问题：单选题Which of the following commands should be used to report statistics on network protocols used by the system？（）AlsattrBpstatCnetstatDifconfig
问题：单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）Afoo ； lsps -sBtprof -kx ； fooCiostat ； foo ； iostatDvmstat -s ； foo ； vmstat s
问题：单选题Using the schedtune output， memory is considered over-committed if：（）Amore than one process is spinning.Bmore than 4 processes become active.Cthe system schedules more than 16 processes.Dthe pageouts divided by page steals is greater than 1/h.
问题：单选题The system administrator has determined that a new JFS log needs to be created on a different disk， in order to decrease an I/O bottleneck. Which of the following steps are the most correct？（）Amklv -t jfslog -y LVname VGname 1 PVname logform /dev/LVname chfs -a log=/dev/LVname /filesystemname m ount and unmount filesystemBmklv -t jfslog -y LVname VGname PVname unmount filesystem vi /etc/filesystems， change entry for lv to point filesystem to new JFS log mount filesystemCmklvcopy -a jfslog -y LVname VGname 1 PVname chfs -a log=/dev/LVname /filesystemname unmount and mount file systemDmklvcopy -t jfslog -y LVname VGname 1 PVname logform /dev/LVname vi /etc/filesystems， change entry for lv to point filesystem to new JFS log unmount and mount filesystem
问题：单选题Service Level Agreements （SLA） typically do not address（）ANetwork access and availabilityBApplication access and availabilityCEscalation and conflict resolutionDHeadcounts and budgets
问题：单选题An AIX system， which is running a database， is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance. To set these numbers， which of the following commands would be used？（）Aperfmon -h 30 -l 25BchdevCno -oDsmit chgsys
问题：单选题The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（）Arenice -n -20 {PID}Brenice -n 20 {PID}Crenice -n -40 {PID}Drenice -n 40 {PID}
