The answer is enabling validation on the DMS task to ensure data consistency after migration and using parallel tasks to improve throughput. Validation compares source and target records row by row, catching any discrepancies that might arise during the full load or ongoing replication, while parallel tasks partition the workload across multiple threads to maximize resource utilization and speed up the transfer of large datasets. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your ability to balance performance, data integrity, and cost when migrating relational databases to Aurora using AWS DMS; a common trap is assuming that disabling foreign keys or choosing the largest instance type is always beneficial, but these can compromise integrity or inflate costs without proportional gains. For a memory tip, think “Validate and Parallelize” — two actions that ensure your migration is both accurate and fast, directly addressing the core challenges of large-scale database moves.
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Which TWO of the following are best practices for migrating a large-scale relational database to Amazon Aurora using AWS DMS? (Choose two.)
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use multiple parallel DMS tasks to improve throughput
Using parallel tasks improves throughput. Validating data after migration ensures consistency. Disabling foreign keys may cause data integrity issues. Using largest instance type may not be cost-effective. Using CDC reduces downtime.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Use multiple parallel DMS tasks to improve throughput
Why this is correct
Parallel tasks increase performance.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable foreign key constraints on the target database during migration to speed up the load
Why it's wrong here
Disabling constraints can lead to orphaned records.
✗
Use the largest DMS replication instance to maximize performance
Why it's wrong here
Largest instance may be unnecessary; right-sizing is better.
✓
Enable validation on the DMS task to ensure data consistency after migration
Why this is correct
Validation catches data mismatches.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Migrate while the source database is fully active without any downtime
Why it's wrong here
Ongoing changes require CDC; this statement is too general.
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
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.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Identify which SAP-C02 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.
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use multiple parallel DMS tasks to improve throughput — Using parallel tasks improves throughput. Validating data after migration ensures consistency. Disabling foreign keys may cause data integrity issues. Using largest instance type may not be cost-effective. Using CDC reduces downtime.
What should I do if I get this SAP-C02 question wrong?
Identify which SAP-C02 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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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