Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

The updated information will replace the existing routing table entry.
They will all load-balance.
The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.
The update will be ignored and no further action will occur.
The updated information will be added to the existing routing table.

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Computer Networking
What is route poisoning?

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.
It is information received from a router that can't be sent back to the originating router.
It sends back the protocol received from a router as a poison pill, which stops the regular updates.

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