E20-307 VMAX3 Solutions Specialist Exam for Implementation Engineers exam focuses on configuration and business continuity management of VMAX All Flash and VMAX3 storage arrays in open systems environments. Non-disruptive migration (NDM) to VMAX All Flash and VMAX3 arrays is also covered. Managing configuration changes, TimeFinder SnapVX, SRDF, and NDM using SYMCLI and Unisphere for VMAX