Onasystemwidebasis,whichofthefollowingproceduresisbesttomakeNISnameresolutiontakeprecedenceoverDNS?() A.Removethe/etc/resolv.conffileB.UnsettheNSORDERenvironmentvariableC.Addthefollowinglineto/etc/netsvc.conf：hosts=nis，bind，localD.InaNISandDNSenvironment，NIStakesprecedencesothereisnothingtochange

Onasystemwidebasis,whichofthefollowingproceduresisbesttomakeNISnameresolutiontakeprecedenceoverDNS?()

A.Removethe/etc/resolv.conffile

B.UnsettheNSORDERenvironmentvariable