You have a DHCP server that runs Windows Server 2008 R2.You need to reduce the size of the DHCP database.
What should you do？（）

单项选择题You have a DHCP server named Server1 and an application server named Server2. Both servers run Windows Server 2008 R2. The DHCP server contains one scope.You need to ensure that Server2 always receives the same IP address. Server2 must receive its DNS settings and its WINS settings from DHCP. What should you do？（）

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？（）

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？（）

A. Type ping 172.16.45.9:::::.
B. Type ping ::9.45.16.172.
C. Type ping followed by the Link-local address of the server.
D. Type ping followed by the Site-local address of the server.

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？（）

A. Configure dynamic NAT on the firewall.
B. Configure the firewall to allow the use of Teredo.
C. Configure a link local IPv6 address for the internal interface of the firewall.
D. Configure a global IPv6 address for the external interface of the firewall.

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？（）

A. Use a static IPv4 address in the range used at the branch office.
B. Use an alternate configuration that contains a static IP address in the range used at the main office.
C. Use the address that was assigned by the DHCP server as a static IP address.
D. Use an alternate configuration that contains a static IP address in the range used at the branch office.