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？（）

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

A system administrator would like to set a system to reboot after a crash.  What is the best way to do this？（）

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

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

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？（）

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

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

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