Computer Networking
What is route poisoning?

It describes when a router sets the metric for a downed link to infinity.
It prevents regular update messages from reinstating a route that has just come up.
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.

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Computer Networking
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is

None of these
the method of determining which device has access to the transmission medium at any time.
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
a medium access control technique for multiple access transmission media
All of these

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