Which of the following doesn't correspond to the network layer data plane function? A Dropping a datagram due to a congested (fulI) output buffer. B Looking up address bits in an arriving datagram...

Extracted text: Which of the following doesn't correspond to the network layer data plane function? A Dropping a datagram due to a congested (fulI) output buffer. B Looking up address bits in an arriving datagram header in the forwarding table. C Moving an arriving datagram from a router's input port to output port. D Computing the contents of the forwarding table.