- A
AWS Snowball Edge
Why wrong: Snowball is for offline transfer, which would cause downtime during data loading.
- B
AWS Schema Conversion Tool (SCT)
SCT converts Oracle schema to Aurora MySQL.
- C
AWS Database Migration Service (DMS)
DMS handles data migration with ongoing replication.
- D
AWS Data Pipeline
Why wrong: Data Pipeline is for workflow scheduling, not direct migration.
- E
Amazon EC2 with Oracle installed
Why wrong: EC2 is not a service for migration; it would be an intermediate step.
Question 527 of 1,730
DBS-C01 Deployment and Migration Practice Question
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 is migrating a 200 GB Oracle database to Amazon Aurora MySQL. They want to minimize downtime and ensure data consistency. Which two services should they use together? (Choose TWO.)
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
✓
AWS Schema Conversion Tool (SCT)
AWS Schema Conversion Tool (SCT) is required to convert the Oracle database schema (including stored procedures, functions, and data types) to a format compatible with Amazon Aurora MySQL. AWS Database Migration Service (DMS) then performs the continuous data replication from Oracle to Aurora MySQL, enabling near-zero downtime migration while maintaining data consistency through Change Data Capture (CDC).
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.
- ✗
AWS Snowball Edge
Why it's wrong here
Snowball is for offline transfer, which would cause downtime during data loading.
- ✓
AWS Schema Conversion Tool (SCT)
Why this is correct
SCT converts Oracle schema to Aurora MySQL.
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.
- ✓
AWS Database Migration Service (DMS)
Why this is correct
DMS handles data migration with ongoing replication.
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.
- ✗
AWS Data Pipeline
Why it's wrong here
Data Pipeline is for workflow scheduling, not direct migration.
- ✗
Amazon EC2 with Oracle installed
Why it's wrong here
EC2 is not a service for migration; it would be an intermediate step.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume AWS DMS alone can handle heterogeneous migrations, forgetting that SCT is mandatory for schema conversion when moving from Oracle to Aurora MySQL, as DMS only handles data movement and cannot convert incompatible database objects.
Detailed technical explanation
How to think about this question
DMS uses a replication instance to read the Oracle redo logs via LogMiner or binary reader for CDC, capturing ongoing changes without interrupting source database operations. SCT performs a heterogeneous schema conversion by parsing Oracle DDL and PL/SQL, mapping data types (e.g., NUMBER to DECIMAL, VARCHAR2 to VARCHAR) and converting stored procedures to MySQL-compatible syntax, which is critical because Aurora MySQL does not support Oracle-specific features like sequences or packages natively.
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.
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
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Deployment and Migration — study guide chapter
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FAQ
Questions learners often ask
What does this DBS-C01 question test?
Deployment and Migration — This question tests Deployment and Migration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Schema Conversion Tool (SCT) — AWS Schema Conversion Tool (SCT) is required to convert the Oracle database schema (including stored procedures, functions, and data types) to a format compatible with Amazon Aurora MySQL. AWS Database Migration Service (DMS) then performs the continuous data replication from Oracle to Aurora MySQL, enabling near-zero downtime migration while maintaining data consistency through Change Data Capture (CDC).
What should I do if I get this DBS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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.
About these practice questions
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Last reviewed: Jul 4, 2026
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