Page replacements algorithm steals file pages only when percent of RAM occupied by filepages（）

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？（）

Which tool is based on the AIX trace facility？（）

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

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？（）

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？（）

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

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？（）

In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）

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？（）