单项选择题
A.Enable debug logging.
B.Enable automatic testing for simple queries.
C.Enable automatic testing for recursive queries.
D.Configure event logging to log errors and warnings.
单项选择题 YournetworkconsistsofanActiveDirectoryforestnamedcontoso.com.AllserversrunWindowsServer2008AlldomaincontrollersareconfiguredasDNSservers.Thecontoso.comDNSzoneisstoredintheForestDnsZonesActiveDirectoryapplicationpartition.YouhaveamemberserverthatcontainsastandardprimaryDNSzonefordev.contoso.com.Youneedtoensurethatalldomaincontrollerscanresolvenamesfordev.contoso.com.Whatshouldyoudo（）
单项选择题 YournetworkconsistsofasingleActiveDirectorydomain.AlldomaincontrollersrunWindowsServer2008andareconfiguredasDNSservers.AdomaincontrollernamedDC1hasastandardprimaryzoneforcontoso，com.AdomaincontrollernamedDC2hasastandardsecondaryzoneforcontoso，com.Youneedtoensurethatthereplicationofthecontoso，comzoneisencrypted.Youmustnotloseanyzonedata.Whatshouldyoudo（）
单项选择题 YournetworkcontainsanActiveDirectoryforest.AlldomaincontrollersrunWindowsServer2008andareconfiguredasDNSservers.YouhaveanActiveDirectory-integratedzoneforcontoso，com.YouhaveaUnix-basedDNSserver，YouneedtoconfigureyourWindowsServer2008environmenttoallowzonetransfersofthecontoso，comzonetotheUnix-basedDNSserver.WhatshouldyoudointheDNSManagerconsole（）