Cloud Migration Strategies Questions

Know common cloud migration approaches commonly summarized as the six R strategies: Rehost, Replatform, Refactor or Rearchitect, Repurchase or move to a software as a service offering, Retire, and Retain. For each approach explain the rationale, expected cost and effort, risks, and example scenarios. Be ready to describe basic migration planning steps including discovery and assessment, cost and risk evaluation, data migration techniques, cutover and rollback planning, validation testing, and post migration optimization. For entry level discussions emphasize practical examples of rehosting and replatforming and the trade offs between operational simplicity and long term modernization.