Computer Networking
Bandlimited signal is

a signal all of whose energy is contained within a finite frequency range
None of these
transmission of signals without modulation
simultaneous transmission of data to a number of stations
All of these

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Computer Networking
What is route poisoning?

It sends back the protocol received from a router as a poison pill, which stops the regular updates.
It is information received from a router that can't be sent back to the originating router.
It prevents regular update messages from reinstating a route that has just come up.
It describes when a router sets the metric for a downed link to infinity.

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