An existing TimeFinder customer migrated from a DMX-3 running Enginuity 5771 to a new
VMAX array. They ask you to explain how the TimeFinder/Clone Copy on First Write
(COFW) mechanism on the new VMAX array differs from their DMX-3 array. What do you
tell the customer?

A.
The VMAX array uses asynchronous COFW and the DMX-3 array uses synchronous
COFW.

B.
Both the VMAX and DMX-3 arrays use synchronous COFW.

C.
The VMAX array uses synchronous COFW and the DMX-3 array uses asynchronous
COFW.

D.
Both the VMAX and DMX-3 array use asynchronous COFW.