What are the advantages of using classification attributes? Note: There are 2 correct answer to this question.

What are the advantages of using classification attributes? Note: There are 2 correct answer to this question.
A . Cached classification attributes provide better performance than fixed properties.
B. Classification attributes are applied dynamically in response to customer actions.
C. Business users can create or modify classification attribute definitions using the Backoffice.
D. Rebuilding and redeployment are NOT required.

Answer: C,D