It must be issued before the network command to enable the OSPF pr ocess for IPv6.
It must be issued after the network command to enable the OSPF process for IPv6.
It must be issued in router global configuration mode to enable the OSPF process for IPv6.
It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
第1题：
Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface?（）
A. ip ospf authentication null
B. ip ospf authentication message - digest
C. ip ospf authentication -key whatever- it - is
D. ip ospf message - digest - key 1 md5 whatever - it - is
E. ip ospf md5 1 key whatever - it - is
第2题：
A. This is the designated router (DR) on the FastEthernet 0/0 link.
B. The output was generated by the show ip interface c ommand.
C. The router was configured with the commands:r outer ospf 1 network 172.16.6.0 0.0.0.255 area 1
D. The IP address of the backup designated router (BDR) is FE80::205:5FFF:FED3:5808.
E. Interface FastEthernet 0/0 was configured with the ipv6 o spf 1 area 1 command.
F. OSPF version 2 has been enabled to support IPv6.
第3题：
A.A
B.B
C.C
D.D
第4题：
Which statement about OSPF ASBR summary LSA is true？（）
第5题：
A. Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAs
B. No redistributed routes can appear in Area 1, only summary routes
C. Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAs
D. Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs
第6题：
Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. 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.
第7题：
A. A virtual link to area 0.
B. OSPF summarization command.
C. default - cost extension to the area command.
D. no - summary extension to the area stub comm and.
E. None of the other alternatives apply
第8题：
A.A
B.B
C.C
D.D
第9题：
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
第10题：
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router？（）