An  administrator  has  a  server  experiencing  performance  problems  with  logical  volumes  within  a particular volume group. 
Which command can report I/O statistics for logical partitions with each logicalvolume within the volume group（）

单项选择题WhichofthefollowingcommandscanbeusedtoprepareasystemtophysicallyinsertaPCIhotplugadapter（）

A.mkdev
B.cfmgr
C.drslot
D.lsslot

单项选择题A  System  p  customer  has  installed  components  from  the  Linux  ToolBox.  By  default，  which  of  the following directories will contain the open source commands such as gzip， gunzip and zcat（）

A./opt/freeware/bin
B./usr/bin/freeware
C./var/freeware/bin
D./usr/sbin/freeware

单项选择题Duringwhichbootphaseistherootvgfirstactivated（）

A.Phase 1
B.Phase 2
C.Phase 3
D.POST Phase

单项选择题Whatistheratioofphysicalpartitionstologicalpartitionsinrootvginanon-mirroredenvironment（）

A.0
B.1
C.2
D.3

单项选择题An administrator requires a summary of current configuration for each system. This is needed for an  audit trail.  Which of the following will provide this information（）

A.configassist
B.prtconf
C.Isattr
D.listdgrp