Computer Networking
Which of the following is true regarding access lists applied to an interface?

You can apply two access lists to any interface.
You can place as many access lists as you want on any interface until you run out of memory.
One access list may be configured, per direction, for each layer 3 protocol configured on an interface.
You can apply only one access list on any interface.

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Computer Networking
What is route poisoning?

It is information received from a router that can't be sent back to the originating router.
It prevents regular update messages from reinstating a route that has just come up.
It sends back the protocol received from a router as a poison pill, which stops the regular updates.
It describes when a router sets the metric for a downed link to infinity.

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