Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）

Which of the following commands should be used to tune parameters of devices that are displayed with lsattr？（）

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？（）

Which of the following commands is run to adjust the number of free paging-space pages at which AIX begins killing processes？（）

Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）

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？（）

Which of the following commands should be used to monitor the average number of threads in the scheduler’s run queue for any given interval？（）

Which of the following commands will only provide a snapshot of average memory usage for a process？（）

Which of the following RAID levels provide the best performance for a system where there are mostly writes occurring？（）

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.  Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）