Your company has four DNS servers that run Windows Serv……

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.

单项选择题Your company is designing its network. The network will use an IPv6 prefix of 2001:DB8:BBCC:0000:: 53.You need to identify an IPv6 addressing scheme that will support 2000 subnets. Which network mask should you use？（）

A. /61
B. /62
C. /63
D. /64

单项选择题Your company has an IPv6 network that has 25 segments. You deploy a server on the IPv6 network.You need to ensure that the server can communicate with all segments on the IPv6 network. What should you do？（）

A. Configure the IPv6 address as fd00::2b0:d0ff:fee9:4143/8.
B. Configure the IPv6 address as fe80::2b0:d0ff:fee9:4143/64.
C. Configure the IPv6 address as ff80::2b0:d0ff:fee9:4143/64.
D. Configure the IPv6 address as 0000::2b0:d0ff:fee9:4143/64.