单项选择题
A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given： Based on the output， which of the following is insufficient？（）
A.Disk B.CPU C.Memory D.NetworkX
A system administrator ran the vmstat command because o...
A.CPU B.Disk C.Memory D.NetworkX
Asystemadministratordecidestoreviewthesystemerrorlogaft...
单项选择题A system administrator decides to review the system error log after installing new hardware. Which of the following is the correct command to use？（）
A.errpt B.syslog C.prtdiag D.errlogger
Asystemadministrator’sdailymonitoringhasrevealedafailin...
单项选择题A system administrator’s daily monitoring has revealed a failing disk drive. The drive that is failing， hdisk0， is a lvm mirrored drive. What is the first step that should be taken in order to physically replace this drive？（）
A.Remove the physical volume from the system. B.Remove the physical volume from the volume group. C.Remove the physical partitions from the volume group. D.Remove the logical volume copies from the failing drive.
