当前分类： IBM(000-234)
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...
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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Which of the following commands should be used to tune parameters of devices that are displayed with lsattr？（）A chdevB cfgmgrC vmtuneD schedtune...
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 tools should be used to report in-depth information about file fragments？（）A defragfsB istatC filemonD fileplace...
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Service Level Agreements （SLA） typically do not address（）A Network access and availabilityB Application access and availabilityC Escalation and conflict resolutionD Headcounts and budgets...
问题：单选题Which of the following commands should be used to determine DNS name resolution performance？（）A iptraceB vmstatC hostnameD ifconfig...
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 has users doing interactive work while background jobs are running. Interactive users are requesting that system response time be improved for foreground processes. Which tuning parameters should be changed to accomplish this？（）A schedtune ...
问题：单选题The maxmbuff is low by default for systems expecting high network traffic and/or usage. Which of the following utilities should be used to report requests for mbufs that have failed and/or been denied？（）A noB pingC netstatD ifconfig...
问题：单选题Which of the following performance tools will work with optimized code and also provides source statement profiling？（）A profB gprofC kprofD tprof...
问题：单选题Data is transferred between two servers using NFS， where one server is configured with token ring， and the other system is configured with ethernet. It is discovered that the performance is greatly reduced during this transfer. Which of the following s...
问题：单选题Which of the following statements is TRUE concerning the po column of the vmstat command？（）A The sys is high when po is high.B The po represents the number of page steals.C The low values usually indicate insufficient paging space.D The low values ...
问题：单选题The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） value...
