What is route poisoning?
A.It sends back the protocol received from a router as a poison pill, which stops the regular updates.
B.It is information received from a router that can't be sent back to the originating router.
C.It prevents regular update messages from reinstating a route that has just come up.
D.It describes when a router sets the metric for a downed link to infinity.
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Route poisoning is a method to prevent a router from sending packets through a route that has become invalid within computer networks. ... In the case of RIP, the maximum hop count is 15, so to perform route poisoning on a route its hop count is changed to 16, deeming it unreachable, and a routing update is sent.
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