把12个小球放到编号不同的8个盒子里，每个盒子里至少有一个小球，共有（)种方法。A．96B．120C．330D．14

Refer to the exhibit. A network associate has configured OSPF with the command:City(config-router) network 192.168.12.64 0.0.0.63 area 0After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement？ （）

A.FastEthernet0 /0

B.FastEthernet0 /1

C.Serial0/0

D.Serial0/1.102

E.Serial0/1.103

F.Serial0/1.104

A. RTA will not establish an OSPF adjacency w ith RTB

B. RTA will send OSPF hello packets, but will not send OSPF updates

C. RTA will not accept OSPF hello packets from RTB

D. RTA will send OSPF updates, but will not establish an adjacency with RTB

es are redistributed into the OSPF domain. A second redistribu tion is configured on router R2 using a route map. Based on the configuration on router R2, which EIGRP external routes will be present in the routing table of R1？（）

A. the routes originating from the RIP routing domain

B. the routes originating from the OSPF stub area

C. all OSPF inter and intra - area routes

D. all routes originating from RIP and OSPF routing domains

A．10.10.10.16/28 only

B． 10.10.10.16/28 and 10.10.10.64/26

C． 10.10.10.16/28, 10.10.10.64/26, and 172.16.10.0/24

D． 10.10.10.64/26 only

A.The Router1 WAN port is configured as a trunking port.

B.The Router1 port connected to Switch1 is configured using subinterfaces.

C.The Router1 port connected to Switch1 is configured as 10 Mbps.

D.The Switch1 port connected to Router1 is configured as a trunking port.

E.The Switch1 port connected to Host B is configured as an access port.

F.The Switch1 port connected to Hub1 is configured as full duplex.

A．10.10.10.16/28 only

B． 10.10.10.16/28 and 10.10.10.64/26

C． 10.10.10.16/28, 10.10.10 .64/26, and 172.16.10.0/24

D． 10.10.10.64/26 only

n. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true？ （）

A. The ASBR route - maps are basically useless, because there are no deny prefix - lists.

B. LSA Type 5s wil l not be received by the ABR from the ASBR.

C. The OSPF backbone will not learn any RFC 1918 addresses.

D. The matched prefix - list addresses will be given a metric of 255, which is essentially unreachable.

ed in the exhibit. Given the partial configuration of router R2, which network will be present in th e routing table of R4？（）

A. Network B

B. Network A and Network B

C. Network A

D. neither Network A nor Network B

A. In interface configuration mode, the OSPFv3 area ID combination assigns interfaces to OSPFv3 areas.

B. In router configuration mode, the network wildcard area ID combination assigns networks to OSPFv3 areas.

C. In interface configuration mode, the IPv6 OSPF process area ID combination assigns interfaces to OSPFv3 areas.

D. In router configuration mode, the IPv6 OSPF interface area ID combination assigns interfaces to OSPFv3 areas.

A．A

B．B

C．C

D．D