YourcompanyhasasingleActiveDirectoryforestthathassixdomains.AllDNSserversintheforestrunWindowsServer2008.YouneedtoensurethatallpublicDNSquieriesarechanneledthroughasinglecahing-onlyDNSserver.Whichtwoactionsshouldyouperform?()
A. Disabletheroothints
B. EnableBINDsecondaries
ConfigureaforwardertothecachingDNSserver
D. ConfigureaGlobalNameshost(A)recordforthehostnameofthecachingDNSserver