Which action does route poisoning take that serves as a loop-prevention method?
A. It immediately sends routing updates with an unreachable metric to all devices.
B. It immediately sends routing updates with a metric of 255 to all devices.
C. It prohibits a router from advertising back onto the interface from which it was learned.
D. It advertises a route with an unreachable metric back onto the interface from which it was learned.
E. It poisons the route by tagging it uniquely within the network.
Which action does route poisoning take that serves as a loop-prevention method?
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Which action does route poisoning take that serves as a loop-prevention method?
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