Which two approaches should an architect recommend to enforce this new plan?

Universal Containers has defined a new Data Quality Plan for their Salesforce data and wants to know how they can enforce it throughout the organization.

Which two approaches should an architect recommend to enforce this new plan? Choose 2 answers
A . Schedule a weekly dashboard displaying records that are missing information to be sent to managers for review.
B. Use Workflow, Validation Rules, and Force.com code (Apex) to enforce critical business processes.
C. Schedule reports that will automatically catch duplicates and merge or delete the records every week.
D. Store all data in an external system and set up an integration to Salesforce for view – only access.

Answer: A,B