单项选择题
A.Configure a secondary zone for adatum.com on Server1.
B.Configure a primary zone for adatum.com on Server1.
C.Configure conditional forwarding for adatum.com with the IP address of the DNS server at the ISP.
D.Configure simple forwarding with the default settings with the IP address of the DNS server at the ISP.
单项选择题 You are the network administrator for Fabrikam， Inc. The network contains a DNS server named Server1. Server1 is configured to resolve queries for external internet resources. Server1 also hosts the fabrikam.com internal zone for Active Directory. Users report that they are directed to the wrong Web site when browsing for well-known Internet Web sites. You need to minimize the occurrence of unexpected results when users browse the Internet in the future. You also need to minimize disruption to users. What should you do？（）
多项选择题 You are the network administrator for your company. All servers run Windows Server 2003. The company’s main office is located in New York City， and four branch offices are located in various North American cities. The network is configured as shown in the exhibit. （Click the Exhibit button.） Access to the Internet is provided by a Network Address Translation （NAT） server located in the Montreal office. The IP address of the NAT server is 192.168.10.254. Users in the Los Angeles office report that they cannot connect to the Internet. Users in the New York office report that they can successfully connect to the Internet. From a computer in the Los Angeles office， you cannot connect to servers located in the Montreal office by using their IP address. You want to find out where the communication failure resides by running a command prompt on a computer in the Los Angeles office. What are two possible ways to achieve this goal？（）
单项选择题 You are the network administrator for your company. All servers run Windows Server 2003. You configure a server named Server2 as a Network Address Translation （NAT） server. Server2 has a single network adapter and a modem. Server2 connects to the Internet through a demand-dial connection. Users report that when they attempt to connect to Internet Web sites， they intermittently receive the following error message： "Page not found." After waiting for several minutes， they can connect to the Web sites. These errors occur throughout the day. You need to configure Server2 to allow users to always connect to Internet Web sites. What should you do？（）