PAS-C01 Migration Practice Question
A company is migrating a legacy SAP ERP system with a large ABAP codebase to AWS. They want to use the same SAP version without re-implementation. Which migration strategy should they adopt?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Rehost (Lift-and-shift)
Lift-and-shift (rehost) moves the existing system as-is to AWS, preserving the ABAP codebase and SAP version. Replatform may involve minor changes. Refactor/Re-architect would require re-implementation. Retire is not applicable.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Refactor / Re-architect
Why it's wrong here
Refactoring would require significant changes to the ABAP codebase.
- ✗
Retire
Why it's wrong here
Retire means decommissioning, not migrating.
- ✗
Replatform (Lift, tinker, and shift)
Why it's wrong here
Replatform involves optimizations that may change the environment, but not required to preserve version.
- ✓
Rehost (Lift-and-shift)
Why this is correct
Rehost moves the system unchanged, preserving the existing codebase and version.
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