Which algorithm does OSPF use to calculate the SPF tree?
- Bellman-Ford
- Dijkstra
- DUAL
- Diffie-Hellman
Explanation: OSPF utilizes the Dijkstra algorithm, also frequently referred to as the Shortest Path First (SPF) algorithm, to analyze link-state information and calculate the loop-free best path tree to all destinations.
Related exam: Checkpoint Exam: Layer 3 Technologies – OSPF
