单项选择题
A.Add the ISP’s DNS servers to the root hints. Delete the other root hints.
B.Add the ISP’s DNS servers to the root hints. Delete the %systemroot%\system32\dns\root.dns file.
C.Configure the ISP’s DNS servers as forwarders. Deselect the Enable netmask ordering option.
D.Configure the ISP’s DNS server as a forwarder. Select the Do not use recursion for this domain option.
单项选择题 Your network consists of a single Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 （SP2）. You deploy a Web server named Server1. Users access the server by using the URL http：//server1.contoso.com. You need to create a new resource record that will allow users to access the server by using the URLhttp：//www.contoso.com. The solution must prevent the need to modify the new record if the IP address of Server1 changes. Which type of resource record should you configure？（）
单项选择题 Your network consists of a single Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 （SP2）. You plan to deploy a new DNS zone named adatum.com. You need to ensure that only computers in the contoso.com domain can update host records in the new DNS zone. What should you do？（）
多项选择题 Your network consists of a single Active Directory domain named contoso.com. All network servers run Windows Server 2003 Service Pack 2 （SP2）.You have a DNS zone named contoso.com. The zone is configured to support dynamic updates. All servers in the company are registered in the contoso.com zone. You change the IP address of a server named Server1.From a server named Server2， you attempt to ping Server1 by host name， but the request fails. You successfully ping the new IP address of Server1.You need to ensure that Server2 can connect to Server1 by using the Server1 host name. Which two actions should you perform？（）