Which of the following commands should be used to show how much data is read from or written to a particular logical volume， given there are several other logical volumes on the same disk？（）

Whichofthefollowingcommandsshouldbeusedtomonitordiskuti...

单项选择题Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）

Afterrunningthevmstatcommand，whichofthefollowingwouldmo...

单项选择题After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）

Whichofthefollowingcommandsismostusefulininitiallycolle...

单项选择题Which of the following commands is most useful in initially collecting data to determine a network performance problem？（）