2.21: Which of the following statements about TOGAF Building Blocks is not true?

A.
They are a package of functionality intended to meet the business needs across the
organization.

B.
They should have interfaces that provide access to their functions.

C.
Architecture Building Blocks are equivalent to software component objects or web services.

D.
They may have multiple implementations but with different, interdependent Building Blocks.

E.
They may be assembled from other building blocks.