What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS?

What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS?

A.
The Ethanalyzer captures control-plane traffic, while SPAN captures all traffic.

B.
The Ethanalyzer captures all traffic including control-plane traffic, while SPAN captures only the
control-plane traffic.

C.
The Ethanalyzer captures only data traffic, while SPAN captures all traffic.

D.
The Ethanalyzer captures only control traffic, while SPAN captures data traffic.

Explanation: