Which two actions should a Consultant recommend to address the lack of quality checking?

Universal Containers recently rolled out a Salesforce knowledge implementation; however, users are finding unreliable and unrelated Knowledge Articles displayed in the Knowledge One widget in the Salesforce Console.

Which two actions should a Consultant recommend to address the lack of quality checking? Choose 2 answers
A . Restrict the Manage Articles user permission
B. Set up an intuitive Data Category hierarchy
C. Enable and configure wildcards for article searches
D. Require that an article be added when closing a case

Answer: C,D