What does a distance vector routing protocol let a router know about remote networks?

The availability of networks, and the metric (or "cost" or "distance") to reach them, according to the system used by the routing protocol to calculate this "metric".

The availability of networks, and the metric (or "cost" or "distance") to reach them, according to the system used by the routing protocol to calculate this "metric".

The availability of networks, and the metric (or "cost" or "distance") to reach them, according to the system used by the routing protocol to calculate this "metric".

The availability of networks, and the metric (or "cost" or "distance") to reach them, according to the system used by the routing protocol to calculate this "metric".