What is the administrative distance of Open Shortest Path First (OSFP) routing protocol?
A) 115
B) 120
C) 110
D) 90
C
Explanation: Routing Information Protocol (RIP) has an administrative distance (AD) of 120, Open Shortest Path First (OSPF) has an AD of 110, Intermediate System-to-Intermediate System (IS-IS) has an AD of 115, and internal Enhanced Interior Gateway Routing Protocol (EIGRP) has an AD of 90.Therefore, if both RIP and OSPF had knowledge of a route to a specific network, for example, the OSPF route would be injected into the router's IP routing table, because OSPF has a more believable AD. Therefore, the best route selected by an IP routing protocol's data structure is only a candidate to be injected into a router's IP routing table.
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