Computer Networking
What is route poisoning?

It sends back the protocol received from a router as a poison pill, which stops the regular updates.
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.

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Computer Networking
You type the following command into the router and receive the following output:Router#show serial 0/0 ^% Invalid input detected at '^' marker.Why was this error message displayed?

You cannot have a space between serial and 0/0.
You need to be in privileged mode.
Part of the command is missing.
The router does not have a serial0/0 interface.

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