单项选择题
Your network contains an Active Directory domain named contoso.com. The domain contains the servers shown in the following table：
Server name Operating system Role
DC1 Windows Server 2008 Domain controller DC2 Windows Server 2008 R2 Domain controller DNS1 Windows Server 2008 DNS server DNS2 Windows Server 2008 R2 DNS server
The functional level of the forest is Windows Server 2003. The functional level of the domain is Windows Server 2003.
DNS1 and DNS2 host the contoso.com zone. All client computers run Windows 7 Enterprise.
You need to ensure that all of the names in the contoso.com zone are secured by using DNSSEC.
What should you do first（）
A.Change the functional level of the forest.
B.Change the functional level of the domain.
C.Upgrade DC1 to Windows Server 2008 R2.
D.Upgrade DNS1 to Windows Server 2008 R2.
相关考题
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单项选择题
Yourcompanyhasamainofficeandabranchoffice. ThenetworkcontainsanActiveDirectorydomainnamedcontoso.com.TheDNSzoneforcontoso.comisconfiguredasanActiveDirectory-integratedzoneandisreplicatedtoalldomaincontrollersinthedomain. ThemainofficecontainsawritabledomaincontrollernamedDC1.Thebranchofficecontainsaread-onlydomaincontroller（RODC）namedRODC1.AlldomaincontrollersrunWindowsServer 2008R2andareconfiguredasDNSservers. YouuninstalltheDNSserverrolefromRODC1.YouneedtopreventDNSrecordsfromreplicatingtoRODC1. Whatshouldyoudo（）
A.Modify the replication scope for the contoso.com zone.
B.Flush the DNS cache and enable cache locking on RODC1.
C.Configure conditional forwarding for the contoso.com zone.
D.Modify the zone transfer settings for the contoso.com zone. -
单项选择题
YournetworkcontainsanActiveDirectorydomainnamedcontoso.com.Youcreatea GlobalNameszone.Youaddanalias（CNAME）resourcerecordnamedServer1tothezone.Thetargethostoftherecordisserver2.contoso.com.WhenyoupingServer1，youdiscoverthatthe namefailstoresolve. Yousuccessfullyresolveserver2.contoso.com.YouneedtoensurethatyoucanresolvenamesbyusingtheGlobalNameszone. Whatshouldyoudo（）
A.From the command prompt， use the netsh tool.
B.From the command prompt， use the dnscmd tool.
C.From DNS Manager， modify the properties of the GlobalNames zone.
D.From DNS Manager， modify the advanced settings of the DNS server. -
单项选择题
Your network contains an Active Directory domain named contoso.com. The domain contains a domain controller named DC1. DC1 hosts a standard primary zone for contoso.com. You discover that non-domain member computers register records in the contoso.com zone. You need to prevent the non-domain member computers from registering records in the contoso.com zone. All domain member computers must be allowed to register records in the contoso.com zone. What should you do first（）
A.Configure a trust anchor.
B.Run the Security Configuration Wizard （SCW）.
C.Change the contoso.com zone to an Active Directory-integrated zone.
D.Modify the security settings of the %SystemRoot%\System32\Dns folder.
