单项选择题
Following a system boot，the display indicates that previously detected hardware is missing.
Which of the following commands would identify the missing hardware？（）
A.diag
B.lscfg
C.cfgmgr
D.lsslot
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相关考题
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单项选择题
An administrator has a two-disk volume group （testvg） with one logical volume （testlv） which has just been mirrored across both disk drives. Which of the following commands can be used to turn off quorum？（）
A.chvg -Qn testvg
B.chlv -Qn testvg
C.varyoffvg testvg； varyonvg -Qn testvg
D.varyoffvg testvg； exportvg testvg； importvg -Qn testvg； varyonvg testvg -
单项选择题
An administrator has received complaints from users that an application is not available while other applications run. This application resides on an NFS mounted filesystem. Which of the following commands should be run as a reasonable first step to handle this problem？（）
A.df
B.showmount
C.exportfs
D.refresh -g nfs -
单项选择题
WhichactionchangesthedefaulteditorforALLusersonthesystemfromvitoedit？（）
A.Issue the command：export EDITOR=/usr/bin/edit edit each users .profile to change the EDITOR value to /usr/bin/edit
B.Modify /.profile and change the EDITOR variable to /usr/bin/edit
C.Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITOR
D.Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit
