Which action does split horizon use to reduce incorrect routing information?

IT Questions BankCategory: CCNPWhich action does split horizon use to reduce incorrect routing information?
Which action does split horizon use to reduce incorrect routing information? 1ITExamAnswers Staff asked 3 weeks ago

Question:

Which action does split horizon use to reduce incorrect routing information?

  • It limits the number of hops a packet can traverse through the network before the packet should be discarded.
  • It marks routes as unreachable in routing updates sent to other routers.
  • It prevents routers from accepting higher cost routes to networks previously marked as inaccessible before the timer expires.
  • It prevents routers from advertising a network through the interface from which the update came.

Explanation: Advertising a route back to the originating router is known as reverse route. Reverse routes waste network resources, causing routing loops. Split horizon prevents the advertisement of reverse routes.

More Questions: CCNP Enterprise: Advanced Routing (Version 8.0) – Routing Concepts and EIGRP Exam


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