Computer Networking
What is split horizon?

It prevents regular update messages from reinstating a route that has gone down.
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.

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Computer Networking
Bulletin board system

None of these
is a modem capable of accepting commands
converts digital signals to analog signals
is a public access message system
converts analog signals to digital signals

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Computer Networking
Terminals are used to

provide information for the manager
None of these
collect data from the physical system
communicate management decisions to the physical system
All of these

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