CV0-004 Deployment Practice Question
An organization is migrating a MySQL database to Amazon Aurora with minimal downtime. The migration must capture ongoing changes from the source database and apply them to the target during the cutover. Which AWS Database Migration Service (DMS) feature should be used?
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
✓
Change data capture (CDC)
AWS DMS supports ongoing replication using change data capture (CDC), which continuously replicates changes from the source to the target 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.
- ✗
Validation
Why it's wrong here
Validation checks data integrity after migration, not ongoing replication.
- ✓
Change data capture (CDC)
Why this is correct
CDC enables continuous replication of changes, allowing minimal downtime migration.
- ✗
Full load only
Why it's wrong here
Full load migrates existing data but does not capture ongoing changes, causing downtime.
- ✗
Schema conversion
Why it's wrong here
Schema conversion changes the schema but does not provide ongoing replication.
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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.