What are the two most important network-layer functions in a datagram network? what are the three most important network-layer functions in a virtual circuit network?

The most important functions in a datagram network include forwarding and routing. The most important functions in a virtual circuit network include forwarding, routing and call setup.

In conclusion, the most important functions in a datagram network include forwarding and routing. The most important functions in a virtual circuit network include forwarding, routing and call setup.

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