An enterprise is planning a mass migration of 500 on-premises VMware virtual machines to AWS. The business requires the migration to be completed within 3 months with minimal downtime. The applications are mostly legacy monolithic architectures. Which combination of services and strategies should the architect use? (Select TWO)

Answer options:

A.

Use AWS Application Migration Service (MGN) for lift-and-shift migration.

B.

Refactor all applications to microservices using Amazon EKS before migrating.

C.

Use AWS DataSync to copy the VM disk images to Amazon S3, then use VM Import/Export.

D.

Adopt a Rehost (lift-and-shift) strategy for the initial migration phase.

E.

Use AWS Database Migration Service (DMS) to migrate the application code.

F.

Adopt a Repurchase strategy by replacing all apps with SaaS solutions.

How to approach this question

Identify the fastest migration strategy and the corresponding AWS tool.

Full Answer

For a fast, minimal-downtime migration of 500 VMs, a Rehost (lift-and-shift) strategy using AWS Application Migration Service (MGN) is the only viable approach within a 3-month timeframe.

Common mistakes

Suggesting refactoring, which takes years for 500 applications.

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