单项选择题 Your company has a single Active Directory domain named contoso.com. All servers in the domain run Windows Server 2003 Service Pack 2 （SP2）. You have two DNS servers named DNS1 and DNS2. DNS1 hosts an Active Directory-integrated zone for contoso.com. DNS2 hosts a standard secondary zone for contoso.com. You need to monitor the total number of zone transfer requests.  What should you do？（）

单项选择题 Your network consists of a single Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 （SP2）.  The domain has two domain controllers named DC1 and DC2. Both domain controllers are DNS servers. Windows Support Tools is installed on both domain controllers. The contoso.com DNS zone is Active Directory-integrated. You need to verify that the contoso.com zone has replicated between DC1 and DC2.  What should you do？（）

单项选择题 YouhaveaDNSserverthatrunsWindowsServer2003ServicePack2（SP2）.Youneedtoseewhentheserverreceivesadynamicupdateinrealtime.Whatshouldyoudo？（）