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單項選擇題

On a system wide basis, which of the following procedures is best to make NIS name resolution take precedence over DNS?()

A.Remove the /etc/resolv.conf file
B.Unset the NSORDER environment variable
C.Add the following line to /etc/netsvc.conf: hosts=nis,bind,local
D.In a NIS and DNS environment, NIS takes precedence so there is nothing to change

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