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...
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问题:单选题Which of the following commands should be used to show DNS information?()A traceB netstatC ifconfigD nslookup...
问题:单选题Which of the following commands should be used to show how much data is read from or written to a particular logical volume, given there are several other logical volumes on the same disk?()A sarB lslvC iostatD filemon...
问题:单选题Which of the following commands should be used to set network attributes on a currently running kernel?()A noB chdevC vmtuneD schedtune...
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 performance tools will work with optimized code and also provides source statement profiling?()A profB gprofC kprofD tprof...
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 system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log, loglv00 and one filesystem, /mydatabase. There are no other logical volumes on this disk. Which of ...
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Which tool is based on the AIX trace facility?()A noB netpmonC entstatD nfso...
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Which of the following commands should be used to report statistics on network protocols used by the system?()A lsattrB pstatC netstatD ifconfig...
问题:单选题Which of the following commands should be used to obtain information about the installed software?()A smit systemB smit installpC smit licensesD smit list_software...
问题:单选题An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change?()A vmtune -MB svmon -mC vmstat -sD schedtune -m...
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The nice value is 60 in the ps listing. Which command is used to change this to a value of 20?()A renice -n -20 {PID}B renice -n 20 {PID}C renice -n -40 {PID}D renice -n 40 {PID}...