单项选择题
A.On the member server， add a conditional forwarder.
B.On the member server， install Active Directory Domain Services.
C.Add all computer accounts to the DNSUpdateProxy group.
D.Convert the standard primary zone to an Active Directory-integrated zone.
单项选择题 Your network consists of a single Active Directory domain. The domain contains 10 domain controllers. The domain controllers run Windows Server 2008 R2 and are configured as DNS servers. You plan to create a new Active Directory-integrated zone. You need to ensure that the new zone is only replicated to four of your domain controllers. What should you do first（）
单项选择题 YournetworkconsistsofasingleActiveDirectorydomain.AlldomaincontrollersrunWindowsServer2008R2andareconfiguredasDNSservers.AdomaincontrollernamedDC1hasastandardprimaryZoneforcontoso.com.AdomaincontrollernamedDC2hasastandardsecondaryzoneforcontoso.com.Youneedtoensurethatthereplicationofthecontoso.comzoneisencrypted.Youmustnotloseanyzonedata.Whatshouldyoudo（）
单项选择题 You have a domain controller named DC1 that runs Windows Server 2008 R2. DC1 is configured as a DNS server for contoso.com. You install the DNS Server server role on a member server named Server1 and then you create a standard secondary zone for contoso.com. You configure DC1 as the master server for the zone. You need to ensure that Server1 receives zone updates from DC1. What should you do（）