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Networking · Q5

IP Routing

Programming · Networking · question 5

Q5

What is split horizon?

A.
Information about a route should not be sent back in the direction from which the original update came.
Answer
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: Option A

Solution

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