Computer Networking
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

PAP
The Frame Relay encapsulation on the physical interface
The subinterface type as point-to-point
An IP address on the physical interface
The local DLCI on each subinterface

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

a technique used in best-effort delivery systems to avoid endlessly looping packets
None of these
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
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
All of these

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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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