What is the base retention policy for 1-day aggregate data? 06/02/2017 – by Mod_GuideK 0 What is the base retention policy for 1-day aggregate data? A. 365 days B. 7 years C. 61 days D. 2 years SHOW ANSWERSCorrect Answer: A Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.