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IP Routing - Technical MCQs

Q1:

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.

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

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