Where does in-line deduplication occur in an EMC Data Domain (DD) system? 06/01/2017 – by Mod_GuideK 0 Where does in-line deduplication occur in an EMC Data Domain (DD) system? A. DD RAM B. DD Boost C. DD NVRAM D. DD CPU SHOW ANSWERSCorrect Answer: A Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.