DEA-C01 Data Store Management Practice Question
A company wants to migrate its on-premises MySQL database to Amazon RDS for MySQL with minimal downtime. Which AWS service should be used for the migration?
⚠ Common exam trap
Watch out — candidates often confuse AWS DMS with AWS DataSync or SCT, assuming any data transfer tool works for database migration, but DMS is the only service that supports ongoing replication for minimal downtime database migrations.
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 purpose-built for migrating databases to AWS with minimal downtime by using ongoing replication (change data capture, CDC) from the source MySQL database to the target Amazon RDS for MySQL instance. This allows the source to remain fully operational during the migration, meeting the minimal-downtime requirement.
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 Database Migration Service (DMS)
Why this is correct
Supports minimal downtime via ongoing replication.
- ✗
AWS Schema Conversion Tool (SCT)
Why it's wrong here
Used for schema conversion, not ongoing replication.
- ✗
AWS DataSync
Why it's wrong here
Designed for file and storage data transfer.
- ✗
AWS Direct Connect
Why it's wrong here
Provides network connectivity, not migration.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.