CV0-004 Deployment Practice Question
A company wants to migrate a 50 TB on-premises SQL Server database to Amazon RDS for MySQL with minimal downtime. The source database is 3 TB and continues to receive writes. Which service should the cloud architect use to perform the migration with ongoing replication?
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 DMS
AWS Database Migration Service (DMS) supports ongoing replication via change data capture (CDC) to migrate with minimal downtime.
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 DMS
Why this is correct
AWS DMS supports CDC replication, allowing near-zero downtime migration.
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AWS Snowball
Why it's wrong here
Snowball is for offline data transfer, not for minimal downtime database migration.
- ✗
AWS S3 Transfer Acceleration
Why it's wrong here
This is for accelerating uploads to S3, not database migration.
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AWS DataSync
Why it's wrong here
DataSync is for file storage migration, not databases.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CV0-004 practice question is part of Courseiva's free CompTIA 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 CV0-004 exam.