多项选择题
A.Disable the root hints.
B.Enable BIND secondaries.
C.Configure a forwarder to the caching DNS server.
D.Configure a GlobalNames host （A）record for the hostname of the caching DNS server.
单项选择题 YournetworkconsistsofasingleActiveDirectorydomain.ThedomaincontainsaservernamedServer1thatrunsWindowsServer2008.AllclientcomputersrunWindowsVista.AllcomputersaremembersoftheActiveDirectorydomain.YouassigntheSecureServer（RequireSecurity）IPsecpolicytoServer1byusingaGroupPolicyobject（GPO）.UsersreportthattheyfailtoconnecttoServer1.YouneedtoensurethatuserscanconnecttoServer1.AllconnectionstoServer1mustbeencrypted.Whatshouldyoudo？（）
单项选择题 Your company has computers in multiple locations that use IPv4 and IPv6. Each location is protected by a firewall that performs symmetric NAT. You need to allow peer-to-peer communication between all locations. What should you do？ （）
多项选择题 YournetworkusesIPv4.YouinstallaserverthatrunsWindowsServer2008atabranchoffice.Theserverisconfiguredwithtwonetworkinterfaces.Youneedtoconfigureroutingontheserveratthebranchoffice.Whichtwoactionsshouldyouperform？（Eachcorrectanswerpresentspartofthesolution.（）