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 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 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When the length of the run queues, process or thread dispatches interrupts, and lock contention metrics and statistics are analyzed for performance, which of the following resources is being analyzed?()A CPUB MemoryC Disk I/OD Network I/O...
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 is true about rmss?()A rmss is a part of performance toolbox and stands for Reduced Memory System SimulatorB rmss is a part of perfpmr and stands for Real Memory System SimulatorC rmss is part of the standard bos.perf filesets...
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To examine the Exhibit, press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit, which of the following conclusions is most appropriate to draw?()A This is a uniprocessor systemB The "prog" process has a nice value of 107...
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 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In order to determine how efficiently an application is reading and writing data, which of the following utilities will report read and write sizes on disk I/O requests?()A tprofB iostatC svmonD filemon...
问题:单选题Which of the following commands is most useful in initially collecting data to determine a network performance problem?()A pingB traceC ifconfigD lsattr...
问题:单选题Comprehensive Service Level Agreements typically do not address:()A Roles responsibilitiesB Headcount budgetsC Reporting policiesD Penalites...