What is the default duration of the backup window? 06/02/2017 – by Mod_GuideK 0 In EMC Avamar, what is the default duration of the backup window? A. 6 hours B. 8 hours C. 10 hours D. 12 hours SHOW ANSWERSCorrect Answer: D Explanation/Reference: Explanation: Download Printable PDF. VALID exam to help you PASS.