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

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？（）

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？（）

After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）

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 logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）

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

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

A TCP/IP application is transferring files from a personal machine to a remote machine.  The application writes 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size.  Which of the following procedures should be performed on the personal machine to increase the throughput of the application？（）

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？（）