当前分类: IBM(000-234)
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...
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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 procedures WILL NOT increase contiguous free space on a the filesystem /data1, located on /dev/lv01, that is heavily fragmented?()A Run defragfs -r /data1; defragfs /data1B Run defragfs -r /dev/lv01; defragfs /dev/lv01C Back u...
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 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 phrases is TRUE regarding monitoring disk I/O with iostat?()A The iostat can only be run as the root userB There could be zero percent I/O wait and still be an I/O bottleneckC Any I/O wait time displayed in output of iostat is...
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In an iostat report, which of the following options best describes the value of % tm_act?()A The total CPU usage for this driveB The bandwidth utilization of the indicated driveC It can best be represented by the equation (%iowait - %ioidle)D It ca...
问题:单选题After running the vmstat command, which of the following would most likely cause the value in the blocked column to be unusually high?()A Kernel threadB Too many usersC Memory shortageD Network contention...
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An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level?()A vmtune -wB 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 WLM commands should be used to monitor performance on a system running wlm?()A wlmcntrlB wlmstatC wlmcheckD wlmassign...
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 commands should be used to monitor the number of bytes read on any given disk?()A tprofB topasC filemonD vmstat...
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}...