CCNA系列認(rèn)證CCNA(640-801)單項(xiàng)選擇題每日一練(2019.05.09)

A new router, named TK1, is being installed. You wish to add this router to your existing OSPF network. In doing so, you configure the following:
TK1(config)# router ospf 1
TK1(config-router)# network 10.10.10.0 255.255.255.0 area 0
After making this change, you notice that the networks attached to TK1 are not being learned by the other OSPF routers. What could be the cause of this?（）

You try to add a new router into the established Testking OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers.The new router was configured for OSPF in the following way:
Router(config)# router ospf 99
Router(config-if)# network 10.0.0.0 255.0.0.0 area 0
Based on this information, what is the most likely problem?（）