单项选择题
A. Create a new scope for the DNS servers.
B. Create a reservation for the DHCP server.
C. Configure the 005 Name Servers scope option.
D. Configure an exclusion that contains the IP addresses of the four DNS servers.
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？（）
单项选择题 Your company uses DHCP to lease IPv4 addresses to computers at the main office. A WAN link connects the main office to a branch office. All computers in the branch office are configured with static IP addresses. The branch office does not use DHCP and uses a different subnet.You need to ensure that the portable computers can connect to network resources at the main office and the branch office. How should you configure each portable computer？（）