How is Ethernet II different from Ethernet 802.3?

How is Ethernet II different from Ethernet 802.3?
A . Ethernet 802.3 can only be used on point-to-point links, while Ethernet II can be used on broadcast networks.
B . In Ethernet II the 2 bytes after the source MAC address is used as a type indicator. In Ethernet 802.3 these two bytes indicate the length of the frame.
C . In Ethernet 802.3, the 2 bytes after the source MAC address is used as a type indicator. In Ethernet II these two bytes indicate the length of the frame.
D . Ethernet II and Ethernet 802.3 are two different names for the same protocol

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Answer: B