PAS-C01 Migration Practice Question
A company is migrating an on-premises Oracle database to Amazon RDS for Oracle. They want to minimize downtime and ensure data consistency. Which AWS service should be used for the migration?
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 Database Migration Service (DMS)
AWS Database Migration Service (DMS) is designed for minimal-downtime database migrations. Option B is correct. Option A (SCT) is used for schema conversion, not the migration itself. Option C (Server Migration Service) is for server-level migrations. Option D (DataSync) is for file-based data transfer.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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AWS Schema Conversion Tool (SCT)
Why it's wrong here
SCT is for schema conversion, not the data migration.
- ✓
AWS Database Migration Service (DMS)
Why this is correct
DMS performs live data migration with minimal downtime.
- ✗
AWS Server Migration Service (SMS)
Why it's wrong here
AWS Server Migration Service (SMS) automates the replication of virtual machines from on-premises hypervisors to Amazon EC2, not to Amazon RDS for Oracle. It cannot handle the database-specific schema, stored procedures, or transaction log shipping required for a live Oracle migration with minimal downtime. SMS is tempting because it offers agentless, incremental replication for server-level migrations, making it correct for moving entire VM workloads to EC2, but it lacks the Oracle-native change capture and apply mechanisms needed for consistent database state.
- ✗
AWS DataSync
Why it's wrong here
DataSync is for file-based data transfer, not database migration.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-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 PAS-C01 exam.