Which three statements describe OSPF?

OSPF, or Open Shortest Path First, is classified as a link-state IGP (Interior Gateway Protocol). This means that OSPF routers maintain a map of the network topology and share this information with other routers in the OSPF area. In contrast to distance-vector protocols, which rely on information about distance to determine routing paths, link-state protocols like OSPF utilize a more accurate and efficient method by understanding the state of each link in the network. This allows routers to independently calculate the best paths based on a complete view of the network, leading to quicker convergence and improved route reliability.

The statement highlighting that OSPF uses areas to incorporate hierarchy and allow for scalability is also true. OSPF divides the network into areas to manage routing information efficiently, reducing the size of the routing table and limiting the amount of routing information exchanged between routers. By organizing networks into areas, OSPF is capable of scaling to large environments while maintaining performance and manageability.

Additionally, OSPF does calculate the best path to each destination based on a comprehensive understanding of the network's topology. This is achieved through Dijkstra's algorithm, allowing it to determine the shortest path to each destination efficiently.

Recognizing that OSPF is a link