What command can an administrator use to get summary performance information about the hypervisor？（）

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  A . Use chdev with -P flag and run cfgmgr. B . Use chdev with -R flag and run cfgmgr. C . Use chdev with -P flag and reboot the system. D . Use chdev with -R flag and reboot the system.

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• An administrator tries to change the checksum_offload setting on ent0， but the chdev command responds that the adapter is busy.  What can be done to resolve this（）？  

  A . Use chdev with -P flag and run cfgmgr. B . Use chdev with -R flag and run cfgmgr. C . Use chdev with -P flag and reboot the system. D . Use chdev with -R flag and reboot the system.

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  A . mkdir /dir1/dir2/dir3 B . mkdir -R dir1/dir2/dir3 C . mkdir -p /dir1/dir2/dir3 D . mkdir -r /dir1/dir2/dir3

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• An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?（）

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  A .  clstat B .  cllsif C .  clsnapshotinfo D .  clcheck_server

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• How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yetcompleted?（）

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• How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has alreadycompleted?（）

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• What an important conclusion can we draw from the passage？

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