A refinement to the basic Waterfall Model that states that software should be developed in
increments of functional capability is called:

A.
Functional development

B.
Incremental development

C.
Functional refinement

D.
Incremental refinement

Explanation:

The advantages of incremental development include the ease of testing increments of functional
capability and the opportunity to incorporate user experience into a successively refined product.
The other answers are distracters.