单项选择题
A.Windows deployment services role and deployment server role service.
B.Windows deployment services role and deployment transport role service.
C.Network policy and access services role and routing and remote access services role service.
D.Network policy and access services and host credential authorization protocol role service.
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？（）
单项选择题 Your company has a single active directory domain. All servers run windows server 2008. You install an additional DNS server that runs windows server 2008. You need to delete the pointer record for the IP address 10.3.2.127. what should you do?（）
单项选择题 You have a DHCP server that runs windows server 2008. You need to reduce the size of the DHCP database. What should you do?（）