IBM(000-234)题库答案 - 题库考试答案搜索网

<单选题>Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）解析
<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 15 15：12 as -r-------- 1 root system 128 Sept 15 15：12 cred --w------- 1 root system 0 Sept 15 15：12 ctl dr-xr-xr-x 1 root system 0 Sept 15 15：12 lwp -r-------- 1 root system 0 Sept 15 15：12 map dr-x------ 1 root system 0 Sept 15 15：12 object -r--r--r-- 1 root system 448 Sept 15 15：12 psinfo -r-------- 1 root system 1024 Sept 15 15：12 sigact -r-------- 1 root system 1520 Sept 15 15：12 status -r--r--r-- 1 root system 0 Sept 15 15：12 sysent Writing to which of the following files will allow the owner to stop a process？（）解析
<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？（）解析
<单选题>Which of the following commands can be used to obtain information about filesets on the system that are later than the current maintenance level？（）解析
<单选题>In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）解析
<单选题>If percentage of RAM occupied by file pages falls below minperm， page replacement algorithm steals pages from （）解析
<单选题>An AIX system， which is running a database， is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance. To set these numbers， which of the following commands would be used？（）解析
<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？（）解析
<单选题>When monitoring a system using vmstat with an interval， the metrics under page po represent which of the following phrases？（）解析
<单选题> To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the machine？（）解析

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