For a correct ethernet frame format explanation, you have to understand that EVERY technology used on a network breaks the data transmitted between computers down into smaller pieces of data called “Frames”
The network interface card (NICs) on a network computer system function at Layer 2 of the OSI Model (the Data Link Layer).
And they function on this layer to encapsulate that data from the higher levels of the OSI Model into frames to allow transmission or communication on the Physical Layer (the network cables, the radio waves if you’re dealing with wireless, etc.) – all the network media being used).[Read more…] about An Ethernet Frame Format Explanation