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Open Shortest Path First (OSPF) is also called as _____________

(a) Link state protocol

(b) Error-correction protocol

(c) Routing information protocol

(d) Border gateway protocol

This question was posed to me in exam.

This is a very interesting question from OSPF topic in section Network Layer of Computer Network

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Best answer
The correct option is (a) Link state protocol

The best explanation: In OSPF, the link state of each path is checked, and then the shortest path is chosen among only the open state links. Each OSPF router monitors the cost of the link to each of its neighbors and then floods the link state information to other routers in the network.

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