单项选择题
A. Run dnscmd by using the ZoneResetMasters option.
B. Run dnscmd by using the ZoneResetSecondaries option.
C. Add the new DNS server to the Zone Transfers tab on one of the DNS servers in the main office.
D. Add the new DNS server to the DNSUpdateProxy Global security group in Active Directory Users and Computers.
单项选择题 Your company has a domain controller named Server1 that runs Windows Server 2008 R2. Server1 has the DNS Server server role installed.You need to configure the DNS server to resolve IP addresses to host names. Which record should you create？（）
单项选择题 Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS Server server role. A server named Server2 runs a custom application. You need to configure DNS to include the following parameters for the custom application: ¡¤Servic ¡¤Priorit ¡¤Weigh ¡¤Protoco ¡¤Port numbe ¡¤Host offering this servic Which record should you create？（）
单项选择题 Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS server role. A server named Server2 runs Windows Server 2003 and Microsoft Exchange Server 2007. The company wants to deploy a new Exchange server named Server3 to receive all inbound e-mail traffic. You need to configure DNS to direct incoming e-mail traffic to the Exchange servers. You also need to ensure that higher priority is given to Server3. What should you do？（）