单项选择题
A. Under the EIGRP process, insert the distribute - list block_net_1 out ospf 1 command.
B. Under the OSPF process, insert the distribute - list block_net_1 in serial1/0 command.
C. Under the EIGRP process, insert the distribute - list block_net_1 in serial1/0 command.
D. Under the OSPF process, insert the distribute - list block_net_1 out eigrp 1 command.
单项选择题 Refer to the exhibit. AS 65500 is not advertising the prefix 192.168.12.0/22 to its provider. AS 65500 is running OSPF as its IGP. Whi ch of the following additions to the configuration is most likely to solve the problem?（）
单项选择题 RouterA#debug ip ospf events OSPF events debugging is on RouterA# 04:43:16: OSPF: Rcv pkt from 10.3.0.2, Ethernet0/1, area 0.0.0.1 mismatch area 0.0.0.2 in the header 04:43:19: OSPF: Rcv hello from 10.100.100.3 area 0 from Ethernet0/0 10.1.0.1 04:43:19: OSPF: End of hello processing Refer to the exhibits. What can be done to fix the problem?（）
单项选择题 Refer to the exhibit. Router C was configured so that it could form an adja cency with three OSPF neighbors, one connected to each of its three physical interfaces. Which statement is correct about router C?（）
