Which action can you take to correct the problem?

Afar you apply the given configuration to R1, you notice that it failed to enable OSPF

Which action can you take to correct the problem?
A . Configure a loopback interface on R1
B . Enable IPv6 unicast routing on R1.
C . Configure an IPv4 address on interface F0/0.
D . Configure an autonomous system number on OSP

View Answer

Answer: B