Quick Answer
The answer is rehost, or lift-and-shift, because this strategy moves the existing SAP ERP system to AWS exactly as-is, preserving the large ABAP codebase and the same SAP version without any re-implementation. Replatform would introduce minor changes to the operating system or database, which could disrupt the custom ABAP logic, while refactoring would require a full re-implementation, defeating the goal of a quick migration. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your understanding of the 7 Rs and the specific constraints of legacy SAP systems—the trap is confusing rehost with replatform when the prompt explicitly states “no re-implementation.” Remember the memory tip: “Same code, same version, same pain—just a new home” to lock in rehost as the only choice when the ABAP codebase must remain untouched.
This PAS-C01 practice question tests your understanding of migration. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
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?
Refactor / Re-architect
Why wrong: Refactoring would require significant changes to the ABAP codebase.
Retire
Why wrong: Retire means decommissioning, not migrating.
Replatform (Lift, tinker, and shift)
Why wrong: Replatform involves optimizations that may change the environment, but not required to preserve version.
Rehost (Lift-and-shift)
Rehost moves the system unchanged, preserving the existing codebase and version.
Answer choices
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.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
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.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Migration — This question tests Migration — Read the scenario before looking for a memorised answer..
The correct answer is: 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.
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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