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？（）

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？（）

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

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

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

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？（）

After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）

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？（）

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 is true about rmss？（）