Computer Networking
Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM?

Frequency-division multiple access
Amplitude modulation
Frequency modulation
Frequency-shift keying
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 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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