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 ...
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问题:单选题A system administrator would like to set a system to reboot after a crash. What is the best way to do this?()A smit chgsysB bosbootC smit dumpD bootlist -r...
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Comprehensive Service Level Agreements typically do not address:()A Roles responsibilitiesB Headcount budgetsC Reporting policiesD Penalites...
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 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 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 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Which of the following commands is run to adjust the number of free paging-space pages at which AIX begins killing processes?()A schedtuneB rmssC rmpsD vmtune...
问题:单选题A System Administrator needs to determine if the system has the latest version of perfmgr and if the filesets copied to the /tmp directory are the latest. Which of the following command sequences would be required to accomplish this?()A lslpp -l perfm...
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...