单项选择题
A.Configure a new GPO that disables the Local-Link multicast name resolution feature. Apply the policy to all the client computes in the north America office.
B.Configure a new GPO that enables the local-Link Multicast name resolution feature. Apply the policy to all the client computers in the north America office.
C.Configure a new GPO that configures the DNS suffix search list option to sa. Contoso.com, na.contoso.com apply the policy to all the client computers in the north America office.
D.Configure the priority value for the SRV records on each of the north America domain controllers to 5.
单项选择题 Your network contains a server named Server1.contoso.com. Server1 is located on the internal network. You have a client computer named Computer1 that runs Windows 7. Computer1 is located on a public network that is connected to the Internet. Computer1 is enabled for DirectAccess. You need to verify whether Computer1 can resolve Server1 by using DirectAccess. Which command should you run on Computer1？（）
单项选择题 our 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?（）
单项选择题 Your company has a single active directory domain named contoso.com. all servers run windows server 2008. You have a public DNS server named server1, and an e-mail server named server2. Client computers outside the company domain are unable to send e-mail messages to contoso.com. you verify that the host (A) DNS record for server2 is available to external client computers. You need to ensure server2 can receive e-mail messages from external client computers. How should you configure the contoso.com DNS zone?（）