当前分类： IBM(000-234)
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...
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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Users complain an AIX server is running slow. Which of the following commands can be run to determine what is consuming systems resources？（）A tprofB lpstatC ps auxD entstat...
问题：单选题Which of the following commands can be used to obtain information about filesets on the system that are later than the current maintenance level？（）A lslpp -IB uname -rC oslevel -gD rpcinfo -p...
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Which of the following tools should be used to report in-depth information about file fragments？（）A defragfsB istatC filemonD fileplace...
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In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A tprofB iostatC svmonD filemon...
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？（）A vmtune -MB svmon -mC vmstat -sD schedtune -m...
问题：单选题A small company would like help in identifying an apparent system performance problem on its internal mail server， especially to determine peak hour usage. What would be the first step in identifying the problem？（）A cd /var/spool/cron/crontabs，uncomme...
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 packages is a prerequisite for perfpmr？（）A bos.rte.controlB bos.perfC bos.adt.utilsD perfagent.tools...
问题：单选题Which of the following commands can be used to obtain information about the installed software？（）A lslpp -LB uname -sC oslevel -qD installp -p...
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...
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}...
