What does split horizon prevent?

ITExamAnswers Editorial Team Last Updated: Jul 17, 2020

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What does split horizon prevent?

routing loops, link state
routing loops, distance vector
switching loops, STP
switching loops, VTP

Explanation: Split horizon is used in distance vector routing protocols (like RIP, EIGRP) to prevent routing loops by prohibiting a router from advertising a route back to the interface from which it was learned.

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