Which three SMB versions do Data ONTAP Cluster Mode 8.1 and later support? (Choose
three)

A.
SMB 4.0

B.
SMB 3.0

C.
SMB 2.1

D.
SMB 2.0

E.
SMB 1.0

Explanation:
Reference:
http://hippodata.blogspot.com/2013/05/enhancements-of-nfs-and-smb-netapp.html
(see smb 2.0 and 2.1)