What are the byte and bit orders in IP over Ethernet? Answer: Byte order: big-endian, i.e., high-order byte transmitted first. Bit order: little-endian, i.e., low-order bit transmitted first. Why...

What are the byte and bit orders in IP over Ethernet?

Answer:

Byte order: big-endian, i.e., high-order byte transmitted first.

Bit order: little-endian, i.e., low-order bit transmitted first.

Why FCS at the tail? IP checksum in the header?

Answer:

FCS: computed by hardware, appended and examined on the fl y.

IP checksum: computed by software usually, stored and processed.