- A
Rehost the application on Amazon EC2 and install the same proprietary database on an EC2 instance.
Rehosting with the same database minimizes licensing costs.
- B
Rehost the application, but replace the database with a SaaS alternative.
Why wrong: Repurchasing may not minimize licensing costs.
- C
Refactor the application to use a different database engine that is supported by Amazon RDS.
Why wrong: Refactoring is costly and may not minimize licensing.
- D
Use AWS Database Migration Service (DMS) to migrate the database to Amazon RDS.
Why wrong: DMS does not support proprietary databases.
Question 1,596 of 1,746
SAP-C02 Rehosting (Lift-and-Shift) Practice Question
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: rehosting (Lift-and-Shift). 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 CRM application to AWS. The application uses a proprietary database that is not supported by Amazon RDS. The company wants to minimize licensing costs. The current on-premises deployment uses a single server. Which migration strategy should the company use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"minimum / minimize"Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
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 the application on Amazon EC2 and install the same proprietary database on an EC2 instance.
Option A is correct because rehosting (lift-and-shift) the application on EC2 with the same proprietary database minimizes licensing costs by using existing licenses, and avoids the need to refactor or replace the database. Option B is wrong because replacing the database with a SaaS alternative may increase costs and complexity. Option C is wrong because refactoring to use a different database engine would require significant application changes and may incur new licensing costs. Option D is wrong because DMS cannot migrate to a proprietary database unsupported by RDS, and RDS does not support the proprietary database.
Key principle: Rehosting (Lift-and-Shift)
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Rehost the application on Amazon EC2 and install the same proprietary database on an EC2 instance.
Why this is correct
Rehosting with the same database minimizes licensing costs.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Rehosting (Lift-and-Shift)
- ✗
Rehost the application, but replace the database with a SaaS alternative.
Why it's wrong here
Repurchasing may not minimize licensing costs.
- ✗
Refactor the application to use a different database engine that is supported by Amazon RDS.
Why it's wrong here
Refactoring is costly and may not minimize licensing.
- ✗
Use AWS Database Migration Service (DMS) to migrate the database to Amazon RDS.
Why it's wrong here
DMS does not support proprietary databases.
Common exam traps
Common exam trap: answer the scenario, not the keyword
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
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Rehosting (Lift-and-Shift)
- Proprietary Database
- License Mobility
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Rehosting (Lift-and-Shift)
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review rehosting (Lift-and-Shift), then practise related SAP-C02 questions on the same topic to reinforce the concept.
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Accelerate Workload Migration and Modernization — study guide chapter
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Accelerate Workload Migration and Modernization practice questions
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Rehosting (Lift-and-Shift).
What is the correct answer to this question?
The correct answer is: Rehost the application on Amazon EC2 and install the same proprietary database on an EC2 instance. — Option A is correct because rehosting (lift-and-shift) the application on EC2 with the same proprietary database minimizes licensing costs by using existing licenses, and avoids the need to refactor or replace the database. Option B is wrong because replacing the database with a SaaS alternative may increase costs and complexity. Option C is wrong because refactoring to use a different database engine would require significant application changes and may incur new licensing costs. Option D is wrong because DMS cannot migrate to a proprietary database unsupported by RDS, and RDS does not support the proprietary database.
What should I do if I get this SAP-C02 question wrong?
Review rehosting (Lift-and-Shift), then practise related SAP-C02 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Rehosting (Lift-and-Shift)
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Last reviewed: Jun 20, 2026
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