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What is split horizon?

  • A.Information about a route should not be sent back in the direction from which the original update came.
  • B.It splits the traffic when you have a large bus (horizon) physical network.
  • C.It holds the regular updates from broadcasting to a downed link.
  • D.It prevents regular update messages from reinstating a route that has gone down.

Answer: A

A split horizon will not advertise a route back to the same router it learned the route from.

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