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Multiple ChoiceIntermediate 45s

Anti-corruption layer at integration

When integrating a legacy system with a very different domain model, what does an anti-corruption layer (ACL) primarily do?
Options
  1. 1Translates between the legacy model and your model so the foreign concepts do not leak into your domain
  2. 2Locks the legacy system into read-only mode for the entire duration of the migration project
  3. 3Forces the legacy system to be rewritten so that it adopts your new domain model instead
  4. 4Duplicates the legacy database into your own schema every night so queries can run against it

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