DEA-C01 Data Ingestion and Transformation Practice Question
This DEA-C01 practice question tests your understanding of data ingestion and transformation. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 data engineering team needs to load data from an on-premises Oracle database to Amazon S3 daily. The data volume is about 50 GB per day, and the network bandwidth is 100 Mbps. The team wants to minimize operational overhead and use AWS managed services. Which solution should they choose?
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 AWS Database Migration Service (DMS) to migrate the data to S3.
Option C is correct because AWS Database Migration Service (DMS) can continuously replicate or schedule data migration from on-premises databases to S3 with minimal setup. Option A is wrong because AWS DataSync is for file transfers, not database tables. Option B is wrong because AWS Glue can connect to JDBC sources but requires more configuration for scheduled loads. Option D is wrong because Amazon Kinesis Firehose is for streaming data, not for batch database loads.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
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 AWS Database Migration Service (DMS) to migrate the data to S3.
Why this is correct
DMS supports ongoing replication and scheduled migrations from Oracle to S3.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Standard ACLs match source addresses.
✗
Use AWS DataSync to copy the database files directly to S3.
Why it's wrong here
DataSync is for file-based transfers, not database tables.
✗
Use AWS Glue with a JDBC connection and schedule a crawler to load data into S3.
Why it's wrong here
Glue crawlers are for metadata, not for data loading; Glue ETL jobs can be used but require more setup.
✗
Use Amazon Kinesis Data Firehose to stream data from Oracle to S3.
Why it's wrong here
Firehose is for streaming data, not for batch database extraction.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DEA-C01 ACL questions on filtering logic and placement.
Data Ingestion and Transformation — This question tests Data Ingestion and Transformation — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Use AWS Database Migration Service (DMS) to migrate the data to S3. — Option C is correct because AWS Database Migration Service (DMS) can continuously replicate or schedule data migration from on-premises databases to S3 with minimal setup. Option A is wrong because AWS DataSync is for file transfers, not database tables. Option B is wrong because AWS Glue can connect to JDBC sources but requires more configuration for scheduled loads. Option D is wrong because Amazon Kinesis Firehose is for streaming data, not for batch database loads.
What should I do if I get this DEA-C01 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DEA-C01 ACL questions on filtering logic and placement.
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?
Standard ACLs match source addresses.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This DEA-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 DEA-C01 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.