Which of the following are steps you can take to resolve data-quality issues? (Select all that apply.) A. Start with more complex data issues, then work your way down to simpler problems. B. Allow each department to come up with their own protocols for cleaning data. C. Identify problem areas, some of which may be rooted in specific departments. D. Establish a single point of contact in each department that will assist with data management. 11. Bookmark question for later Which data cleaning tool allows organizations to set their own data-cleaning rules? A. Trifacta Wrangler B. TIBCO Clarity C. OpenRefine D. DataCleaner 12. Bookmark question for later What is one of the problems with big data? A. It is all structured data. B. It is all unstructured data. C. It arrives in a never-ending flow. D. It arrives in batches