This DBS-C01 practice question tests your understanding of deployment and migration. 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 wants to migrate an on-premises Oracle database to Amazon Aurora PostgreSQL. They need to convert the schema and code. Which AWS service should they use?
AWS Schema Conversion Tool (SCT)
Converts schema and code.
AWS Lambda
Why wrong: Not designed for schema conversion.
Amazon S3
Why wrong: Not for schema conversion.
AWS Database Migration Service (DMS)
Why wrong: Migrates data, not schema.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS Schema Conversion Tool (SCT)
AWS SCT is designed for schema and code conversion between heterogeneous databases. Option A is correct. Option B (DMS) migrates data, not schema. Option C (S3) is storage. Option D (Lambda) is compute.
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
For each option: why learners choose it and why it is or isn't the right answer here.
AWS Schema Conversion Tool (SCT)
Why this is correct
Converts schema and code.
Related concept
Standard ACLs match source addresses.
AWS Lambda
Why it's wrong here
Not designed for schema conversion.
Amazon S3
Why it's wrong here
Not for schema conversion.
AWS Database Migration Service (DMS)
Why it's wrong here
Migrates data, not schema.
Common exam traps
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
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.
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
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
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 DBS-C01 ACL questions on filtering logic and placement.
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FAQ
Deployment and Migration — This question tests Deployment and Migration — Standard ACLs match source addresses..
The correct answer is: AWS Schema Conversion Tool (SCT) — AWS SCT is designed for schema and code conversion between heterogeneous databases. Option A is correct. Option B (DMS) migrates data, not schema. Option C (S3) is storage. Option D (Lambda) is compute.
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 DBS-C01 ACL questions on filtering logic and placement.
Standard ACLs match source addresses.
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Last reviewed: Jun 20, 2026
This DBS-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 DBS-C01 exam.
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