What are four storage efficiency features Data ONTAP 8.1 Cluster-Mode provides? (Choose four.)

A.
compression

B.
deduplication

C.
cloning

D.
SnapVault

E.
thin provisioning

F.
transparent files

Explanation:
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=9&ved=0CGkQFjAI&url=http
s%3A%2F%2Fwww.netapppartneracademy.com%2Ffileshares%2FCDOTTechVision.pptx&ei=IgK
bUtjiLeSGywO2oIHQBQ&usg=AFQjCNFILzTwfIduR3r5UKM1G8qiZ6lYnQ&sig2=E4d_tcNrN6Sui0
vaz3xBAg&bvm=bv.57155469,d.bGQ (slide 6)