单项选择题
YournetworkconsistsofasingleActiveDirectorydomain.AllserversrunWindowsServer2003ServicePack2（SP2）.YouhavetwoDNSserversnamedServer1andServer2.Server1hostsanActiveDirectory-integratedzoneforcontoso.com.Server2hostsasecondaryzoneforcontoso.com.Theserialnumberforthecontoso.comzoneiscurrently985413.YouneedtoverifywhetherServer2hasthemostup-to-dateversionofthezone.Whatshouldyoudo？（）
A.OnServer2，verifythepropertiesofthestartofauthority（SOA）record.
B.OnServer2，verifythefilepropertiesof%systemroot%/system32/dns/contoso.com.dns.
C.FromActiveDirectorySitesandServices，viewtheNTDSSiteSettingsobject.
D.FromActiveDirectoryReplicationMonitor，viewthereplicationstatusoftheDomainDNSZonespartition.
A.AllserversrunWindowsServer2003ServicePack2（SP2）.YouhavetwoDNSserversnamedServer1andServer2.Server1hostsanActiveDirectory-integratedzoneforcontoso.com.Server2hostsasecondaryzoneforcontoso.com.Theserialnumberforthecontoso.comzoneiscurrently985413.YouneedtoverifywhetherServer2hasthemostup-to-dateversionofthezone.Whatshouldyoudo？（）
A.OnServer2，verifythepropertiesofthestartofauthority（SOA）record.
B.OnServer2，verifythefilepropertiesof%systemroot%/system32/dns/contoso.com.dns.
C.FromActiveDirectorySitesandServices，viewtheNTDSSiteSettingsobject.
D.FromActiveDirectoryReplicationMonitor，viewthereplicationstatusoftheDomainDNSZonespartition.