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？（）

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. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem.  Given the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the machine？（）

Which of the following options would best help to reduce packet fragmentation for a TCP application transferring large amounts of data between servers across a path of multiple networks？（）

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

Which of the following is true about rmss？（）

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？（）

Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）

The nice value is 80 in the ps listing.  Which command is used to change this to a value of 100？（）

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？（）