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？（）

In an iostat report， which of the following options best describes the value of % tm_act？（）

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？（）

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

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？（）

Which of the following performance tools will work with optimized code and also provides source statement profiling？（）

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

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