Which 2 solutions should a data architect recommend to monitor and measure data quality?

UC is using SF CRM. UC sales managers are complaining about data quality and would like to monitor and measure data quality.

Which 2 solutions should a data architect recommend to monitor and measure data quality? Choose 2 answers.
A . Use custom objects and fieldsto identify issues.
B. Review data quality reports and dashboards.
C. Install and run data quality analysis dashboard app
D. Export data and check for data completeness outside of Salesforce.

Answer: B,C