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

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

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Computer Networking
What is split horizon?

It prevents regular update messages from reinstating a route that has gone down.
It holds the regular updates from broadcasting to a downed link.
Information about a route should not be sent back in the direction from which the original update came.
It splits the traffic when you have a large bus (horizon) physical network.

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Computer Networking
Bulletin board system

converts digital signals to analog signals
converts analog signals to digital signals
is a public access message system
is a modem capable of accepting commands
None of these

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