An OSPF adjacency is not forming between two routers directly connected using Ethernet.
What are three reasons for this behavior? (Choose three.)
A . The physical connection is down.
B . The IP subnets on both routers are different.
C . The subnet masks on both routers are the same.
D . The network type on both routers is point-to-point.
E . The area numbers on both routers are different.
Answer: A,B,E