Acceptance testing:

Question $6$Select one:

A$.$

tests the conversion of legacy data to the new system.

B$.$

tests each program separately in the system.

C$.$

includes all the preparations for the series of tests to be performed on the system.

D$.$

provides the final certification that the system is ready to be used in a production setting.

E$.$

tests the functioning of the system as a whole.