当前分类： IBM(000-234)
问题：单选题Which of the following tools should be used to report in-depth information about file fragments？（）A defragfsB istatC filemonD fileplace...
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问题：单选题Which of the following commands should be used to set network attributes on a currently running kernel？（）A noB chdevC vmtuneD schedtune...
问题：单选题Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）A istatB topasC vmstatD filemon...
问题：单选题Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A tinB toutC % idleD % tm_act...
问题：单选题Which of the following commands should be used to watch system errors as they are logged？（）A errpt -cB tail -f /var/adm/ras/errlogC syslogd -dD /usr/lib/errdemon -s 8192...
问题：单选题Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）A falls below minperm.B is between minperm and maxperm.C higher than maxperm.D lower than maxperm....
问题：单选题A typical example of a process # 19082 in the /proc file would be： # ls -l /proc/19082 total 0 dr-xr-xr-x 1 root system 0 Sep 15 15：12 . dr-xr-xr-x 1 root system 0 Sept 15 15：12 .. -rw------- 1 root system 0 Sept...
问题：单选题Comprehensive Service Level Agreements typically do not address：（）A Roles responsibilitiesB Headcount budgetsC Reporting policiesD Penalites...
问题：单选题Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A filemonB istatC vmstatD iostat...
问题：单选题The nice value is 80 in the ps listing. Which command is used to change this to a value of 100？（）A renice 100 {PID}B renice -n 20 {PID}C renice --20 {PID}D renice -n -100 {PID}...
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？（）A foo ； lsps -sB tprof -kx ； fooC iostat ； foo ； iostatD vmstat -s ； foo ； vmstat s...
问题：单选题All of the following comprise the Performance Toolbox EXCEPT：（）A perfmgrB perfagent.serverC perfagent.toolsD perfagent.client...
问题：单选题While monitoring a system that is CPU bound， which of the following output is most likely to occur？（）A AB BC CD D...
问题：单选题Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）A INTRA-POLICY set to ’edge’， INTER-POLICY set to maximumB INTRA-POLICY set to ’center’， INTER-POLICY set t...
问题：单选题In an iostat report， which of the following options best describes the value of % iowait？（）A The amount of time taken to service an I/O interruptB The percentage of time CPU（s） are waiting for page insC The percentage of time the CPU9（s） are waiting...
问题：单选题In order to ensure best read performance， which of the following indicates how large an application’s read buffer size should be if the filesystem to be read is striped across N disks using LVM striping？（）A N times the stripe unit sizeB N times the V...
问题：单选题Where can the perfagent.tools fileset be found？（）A AIX Base CDB AIX BonusPak CDC AIX Performance Toolbox product CDD Performance AIDE product CD...
问题：单选题When a system has both online transaction processing as well as large batch processing， which of the following common procedures will best help to improve system performance？（）A Boost the priority of batch jobs.B Schedule batch runs to reduce content...
