Computer Networking
A global network of millions of business, government, educational, and research networks; computer systems; database; and end users. Select the best fit for answer:

None of these
Internet works
Internet technologies
Internet revolution
The Internet

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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 splits the traffic when you have a large bus (horizon) physical network.
It holds the regular updates from broadcasting to a downed link.
It prevents regular update messages from reinstating a route that has gone down.

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Computer Networking
The physical layer, in reference to the OSI model, defines

data link procedures that provide for the exchange of data via frames that can be sent and received
the virtual circuit interface to packet-switched service
the interface between the X.25 network and packet mode device
None of these
All of these

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