Computer Networking
Which of the following condition is used to transmit two packets over a medium at the same time?

Synchronous
Asynchronous
Contention
Collision
None of these

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Computer Networking
What is split horizon?

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

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