Which two terms correctly describe the concept of movin…

Which two terms correctly describe the concept of moving database processing from the database layer to the
storage layer to reduce the volume of data that needs to be processed by the database server? (Choose two.)

A.
sharding

B.
offloading

C.
Smart Scan

D.
predicate filtering

E.
column projection

Explanation:
http://www.oracle.com/technetwork/database/exadata/exadata-dbmachine-x4-twp-2076451.pdf