填入下列各句横线上的成语，与句意最贴切的一组是：无锡的梅园，面临太湖，以梅饰山，以山饰梅，______

A. IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.

B. IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.

C. Hosts can be configured to receive both IPv4 and IPv6 addresses via DHCP.

D. Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.

E. IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.

A. The edge routers can use any locally configured IPv6 address.

B. Hosts and routers inside a 6to4 site will need a special code.

C. An edge router must use IPv6 address of 2002::/16 in its prefix.

D. IPv4 traffic is encapsulated with an IPv6 header.

A．IPv4兼容的IPv6地址

B． IPv6兼容的IPv4地址

C． 映射IPv6的IPv4地址

D． 映射IPv4的IPv6地址

A．IPv4兼容的IPv6地址

B．IPv6兼容的IPv4地址

C．映射IPv6的IPv4地址

D．映射IPv4的IPv6地址

A．IPv6,IPv6

B．IPv6,IPv4

C．IPv4,IPv4

D．IPv4,IPv6

A.The loopback addresses are on different subnets

B.The value of the dead timers on the router are different

C.Route summarization is enabled on both routers

D.The process indentifier on router A is different than the process identifier on router B

orks across the existing IPv4 infrastructurE. There are currently fiv e IPv6 overlay tunnel types.Which three IPv6 overlay tunnel statements are true？（）

A. Overlay tunnels can only be configured between border routers capable of supporting IPv4 and IPv6.

B. An manual overlay tunnel supports point - to - multipo int tunnels capable of carrying IPv6 and Connectionless Network Service (CLNS) packets.

C. Overlay tunneling encapsulates IPv6 packets in IPv4 packets for delivery across an IPv4 infrastructure.

D. Overlay tunnels can be configured between border route rs or between a border router and a host capable of supporting IPv4 and IPv6.

E. Cisco IOS supports manual, generic routing encapsulation (GRE), IPv4 - compatible, 6to4, and Intra - Site Automatic Tunnel Addressing Protocol (ISATAP) overlay tunneling mechan isms.

F. Cisco IOS supports manual, generic routing encapsulation (GRE), IPv6 - compatible, 4to6, and Multiprotocol Label Switching (MPLS) overlay tunneling mechanisms.

IPV4到IPV6的过渡技术不包括

A 同时使用IPV4和IPV6 B IPV6路由协议 C IPV6-over- IPV4隧道 D DNS设施

A．IPv6, IPv6

B．IPv4, IPv4

C．IPv6, IPv4

D．IPv4, IPv6