If you want to be picky then it’s actually Ethernet frame, which is neither a datagram nor a packet. https://en.m.wikipedia.org/wiki/Ethernet_frame https://en.

If you want to be picky then it’s actually Ethernet frame, which is neither a datagram nor a packet. https://en.m.wikipedia.org/wiki/Ethernet_frame https://en.m.wikipedia.org/wiki/Ethernet_frame Also, while we are being picky, datagram is one word not two.