单项选择题
A.Create a shortcut trust between contoso.com and litwareinc.com.
B.Place a domain controller for litwareinc.com in the Singapore office.
C.On a domain controller in the Singapore office， create a secondary zone for the litwareinc.com domain.
D.On a domain controller in the Singapore office， create a conditional forwarder for the litwareinc.com domain.
单项选择题 Your network contains a single Active Directory domain named contoso.com. The functional level of the domain is Windows 2000 mixed. You have a domain controller named DC1 that runs Windows Server 2003 Service Pack 2 （SP2）. DC1 hosts a standard primary zone for contoso.com. You need to ensure that only computers in the contoso.com domain can register host records in the contoso.com zone. What should you do？（）
单项选择题 You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. Server1 hosts a primary zone for contoso.com. On Server1， you update the host （A） record for server2.contoso.com to have a new IP address. On Server1， you run Ping server2.contoso.com from a command prompt and the old IP address for Server2 is returned.You need to ensure that the new IP address for Server2 resolves correctly on Server1. What should you do？（）
单项选择题 You are the network administrator for your company. All network servers run Windows Server 2003 Service Pack 2 （SP2）. You deploy a DNS server named DNS1 that runs Windows Server 2003 SP2. You need to configure DNS1 to use your ISP’s DNS servers to resolve all Internet queries. Internet name resolution should fail if the ISP’s DNS servers are unavailable. What should you configure on DNS1 server？（）