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

Which of the following commands should be used to tune parameters of devices that are displayed with lsattr？（）

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 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？（）

Which of the following tools should be used to display the location of unused physical partitions on a disk drive？（）

Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）

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？（）

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？（）

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？（）