Your company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2).In the main office, a server named DNS1 hosts a primary DNS zone for contoso.com. In the branch office, you configure a primary DNS zone for west.contoso.com on a server named DNS2. All servers in the branch office are configured to have the west.contoso.com DNS suffix. You need to ensure that users in the main office can resolve server names in the branch office. You must achieve this goal by using the minimum amount of administrative effort.
What should you do?（）

our company has a main office and one branch office. All servers run Windows Server 2003 Service Pack 2 (SP2). The relevant portion of the network is configured as shown in the exhibit. (Click the Exhibit button.)All computers in the branch office are configured to use DNS2 as their DNS server.Users in the branch office report that they cannot resolve the IP addresses for servers on the Internet. You run Dnscmd as shown in the following Command Prompt window.You need to ensure that users in the branch office can resolve the names of Internet hosts.
What should you do on DNS2?（）