Computer Networking
What is route poisoning?

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.
It prevents regular update messages from reinstating a route that has just come up.

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Computer Networking
Which of the following technique is used for encapsulation?

a technique used in best-effort delivery systems to avoid endlessly looping packets.
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.
One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
None of these
All of these

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