当前分类： IBM(000-234)
问题：单选题Which of the following tools should be used to display the location of unused physical partitions on a disk drive？（）A df -kB lspsC lslv -pD fileplace...
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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When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）A The number pages over the limitB The pages to paging space per secondC The number of page operations per secondD The numb...
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When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）A The values do not include working storage.B The values do not include persistent storage.C The...
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The bos.perf package is part of the base operating system. Performance Diagnostic tool， PDT， is a part of bos.perf. All of the following statements are true EXCEPT？（）A PDT attempts to identify performance problems automatically by collecting and inte...
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After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A Not enough NFS daemons runningB Too many NFS daemons runningC nfs_tcp_socketsize is too smallD nfs_tcp_socketsize i...
问题：单选题Which of the following statements are FALSE concerning the defragfs command？（）A The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information， such as /tmp.B The defragfs command should not...
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A system administrator increases the mbuf pool allocation， then runs vmstat. It is noticed that the paging rate has not decreased. What is the most effective option to maintain the mbuf pool and decrease paging？（）A Increase the number of CPUs.B Incre...
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 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 ...
