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

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？（）

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

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

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？（）

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

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

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？（）