What is split horizon?

1.	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» B. It splits the traffic when you have a large bus (horizon) physical network.

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What is split horizon?

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