Question: What are the two most important network-layer functions in a datagram network? [What third function is additionally important in a virtual circuit network?] A. Forwarding,

What are the two most important network-layer functions in a datagram

What are the two most important network-layer functions in a datagram network? [What third function is additionally important in a virtual circuit network?] A. Forwarding, Routing, [Connection Setup] B. Forwarding, Error Correction, [Session Management] C. Routing, Retransmission, [Reliability] O D. Retransmission, Error Correction, [Connection Setup]

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