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Computer Networks Multiple Choice
Q
What is route poisoning?
AA. It sends back the protocol received from a router as a posion pill, which stops the regular updates. the use of variable length subnet masks is permitted
BB. It is information received from a router that can’t be sent back to the originating router.ripv2 supports claSSLess routing
CC. It prevents regular update messages from reinstating a route that has just come up
DD. It describes when a router sets the metric for a downed link to infinity
Correct Answer:
D. D. It describes when a router sets the metric for a downed link to infinity
Explanation:
When a network goes down, the distance-vector routing protocol initiates route poisoning by advertising the network with a metric of 16, or unreachable.
