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

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

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

Which of the following is true about rmss？（）

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？（）

In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）

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？（）

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？（）

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