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

When setting up schedules and enforcing scheduling of different types of workloads， which of the following are critical performance issues？（）

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 phrases is TRUE regarding monitoring disk I/O with iostat？（）

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 the following options would be the best solution？（）

The system administrator notices that IP packets are not getting forwarded. The system administrator wants to use an AIX machine as an internetwork router over TCP/IP networks. Which of the following commands will allow this change on the fly？（）

If percentage of RAM occupied by file pages falls below minperm， page replacement algorithm steals pages from （）

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？（）

To examine the Exhibit， press the Exhibit button. Using the output of "lslv" as shown in the exhibit， and given that logical volume lv00 is only located on hdisk0， which of the following conclusions is most appropriate to draw？（）

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？（）