What are three characteristics of the OSPF routing protocol? (Choose three.)
A.
It converges quickly.
B.
OSPF is a classful routing protocol.
C.
It uses cost to determine the best route.
D.
It uses the DUAL algorithm to determine the best route.
E.
OSPF routers send the complete routing table to all directly attached routers.
F.
OSPF routers discover neighbors before exchanging routing information.
OSPF is an example of a fast-converging routing protocol.
OSPF uses path cost as its basic routing metric, which was defined by the standard not to equate to any standard value such as speed
Establish neighbor adjacencies – OSPF-enabled routers must form adjacencies with their neighbor before they can share information with that neighbor.
An OSPF-enabled router sends Hello packets out all OSPF-enabled interfaces to determine whether neighbors are present on those links. If a neighbor is present, the OSPF-enabled router attempts to establish a neighbor adjacency with that neighbor.
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Converge – cost – neighbor
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