单项选择题
A. Delete the . (root) zone.
B. Create a zone named 10.1.in-addr.arpa.
C. Create a zone named 1.1.10.in-addr.arpa.
D. Convert the 10.1.1.in-addr.arpa zone to a standard primary zone.
单项选择题 Your corporate network has a member server named RAS1 that runs windows server 2008. You configure RAS1 to use the routing and remote access service (RRAS). The companys remote access policy allows members of the domain users group to dial in to RAS1. The company issues smart cards to all employees. You need to ensure that smart card users are able to connect to RAS1 by using a dial-up connection. What should you do?（）
单项选择题 You have a server that runs windows server 2008. You need to configure the server as a VPN server. What should you install on the server?（）
单项选择题 Your network contains a DNS server named DNS1 that runs Windows Server 2008 R2.You need to ensure that DNS1 only responds to DNS queries from computers that are located in the same subnet.What should you configure？（）