The correct approach is to use Apache DistCp to copy data from HDFS to S3, as it is purpose-built for efficient, distributed transfers between Hadoop-compatible file systems and object stores like Amazon S3. DistCp leverages MapReduce parallelism to handle large-scale data migrations while preserving replication factors and metadata, and S3’s 99.999999999% durability meets the company’s cost and durability requirements without additional hardware or latency. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this scenario tests your understanding of native Hadoop tools versus AWS-specific services—a common trap is choosing Snowball for speed or AWS DMS for databases, but DistCp is the only option that directly addresses HDFS-to-S3 migration with minimal cost. Remember the mnemonic “DistCp for Distant Copy” to recall that DistCp is the go-to for moving data between distributed file systems and S3.
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.
A company is migrating a large-scale Hadoop cluster to Amazon EMR. The migration plan includes moving data from HDFS to Amazon S3. The company wants to minimize costs and ensure data durability. Which approach 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 the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Apache DistCp to copy data from HDFS to S3.
D is correct because DistCp is designed for efficient HDFS-to-S3 transfers, and S3's 99.999999999% durability meets requirements. A is wrong because Snowball adds latency. B is wrong because it does not address data migration. C is wrong because AWS DMS is for databases, not file systems.
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.
✗
Set up a VPN connection and use rsync to copy data to S3.
Why it's wrong here
rsync is not optimized for S3; DistCp is better.
✓
Use Apache DistCp to copy data from HDFS to S3.
Why this is correct
DistCp is the standard tool for copying between HDFS and S3.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use AWS Snowball Edge to physically transfer data from the cluster.
Why it's wrong here
Snowball is useful for large data but unnecessary if network bandwidth is sufficient.
✗
Use AWS Database Migration Service (DMS) to migrate the data to S3.
Why it's wrong here
DMS is for database migration, not file systems.
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 Apache DistCp to copy data from HDFS to S3. — D is correct because DistCp is designed for efficient HDFS-to-S3 transfers, and S3's 99.999999999% durability meets requirements. A is wrong because Snowball adds latency. B is wrong because it does not address data migration. C is wrong because AWS DMS is for databases, not file systems.
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: "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?
Read the scenario before looking for a memorised answer.
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Question Discussion
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