Which three OSPF parameters must match before two devices can establish an OSPF adjacency? (Choose three.)
A. IP address
B. subnet mask
C. interface cost
D. process ID
E. area number
F. hello timer setting
Which three OSPF parameters must match before two devices can establish an OSPF adjacency? (Choose three.)
A. IP address
B. subnet mask
C. interface cost
D. process ID
E. area number
F. hello timer setting