当前分类： IBM(000-234)
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....
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问题：单选题Which of the following commands should be used to reset the Virtual Memory Manager tuning parameters to their default values？（）A schedtune -tB vmtune -RC schedtune -rD schedtune -D...
问题：单选题A system administrator would like to reset statistics to initial values prior to collecting device statistics on ent0 interface. Which of the following commands should be run to accomplish this？（）A netstat -v ent0B chdev -l ent0 -a reset=trueC entst...
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Comprehensive Service Level Agreements typically do not address：（）A Roles responsibilitiesB Headcount budgetsC Reporting policiesD Penalites...
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Which of the following commands should be used to obtain information about the software packages available on the installation media？（）A lsattrB inutocC installpD lsresource...
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 will only provide a snapshot of average memory usage for a process？（）A vmtuneB ps auC iostatD rmss -m...
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 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Which of the following performance tools can be used to determine if a system is thrashing？（）A svmon and tprofB vmtune and schedtuneC ps and schedtuneD vmstat and topas...
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 of the following commands is most useful in initially collecting data to determine a network performance problem？（）A pingB traceC ifconfigD lsattr...
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A system must be evaluated and tuned. In order to use a set of performance evaluation programs （e.g. filemon， svmon， and tprof）， which of the following packages should exist on the system？（）A bos.rte.control （WLM）B bos.perfC xlC.rteD perfagent.too...
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...
