Refer to the graphic.
R1 is unable to establish an OSPF neighbor relationship with R3
What are possible reasons for this problem? (Choose two.)
DF.
This question is to examine the conditions for OSPF to create neighborhood.
So as to make the two routers become neighbors, each router must be matched with the following items: 1
The area ID and its types 2
Hello and failure time interval timer 3
OSPF Password (Optional)