What is routing algorithm used by OSPF routing protocol? (A) Distance vector (B) Flooding (C) Path vector (D) Link state Answer: (D) Explanation: Open Shortest Path First (OSPF) is a link-state routing protocol which is a network layer protocol and uses Link State Routing method to calculate the shortest route to a destination through a network based on an algorithm. It falls into the group of IGP (Interior Gateway Protocol).
So, option (D) is correct.Quiz of this Question