单选题On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）ARemove the /etc/resolv.conf fileBUnset the NSORDER environment variableCAdd the following line to /etc/netsvc.conf： hosts=nis，bind，localDIn a NIS and DNS environment， NIS takes precedence so there is nothing to change
单选题
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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