单项选择题
A. Create a multicast scope.
B. Assign a static IP address to Server2.
C. Create an exclusion range in the DHCP scope.
D. Create a DHCP reservation in the DHCP scope.
单项选择题 Your company has four DNS servers that run Windows Server 2008 R2. Each server has a static IP address. You need to prevent DHCP from assigning the addresses of the DNS servers to DHCP clients. What should you do？（）
单项选择题 You have a Windows Server 2008 R2 computer that has an IP address of 172.16.45.9/21.The server is configured to use IPv6 addressing.You need to test IPv6 communication to a server that has an IP address of 172.16.40.18/21. What should you do from a command prompt？（）
单项选择题 Your company has computers in multiple locations that use IPv4 and IPv6. Each location is protected by a firewall that performs symmetric NAT. You need to allow peer-to-peer communication between all locations. What should you do？（）