According to this picture, we can judge:

According to this picture, we can judge:

A . R4 does not have any IS-IS neighbors
B . R4 and ee8c.aOc2.baf3 have established IPv4 and IPv6 IS-IS neighbors
C . R4 and ee8c.aOe2.baf3 only established IPv6 IS-IS neighbors
D . R4 and ee8c.aOc2.bat3 only established IPv4 IS-IS neighbors

View Answer

Answer: B