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CV0-004 Deployment Practice Question

A cloud engineer is planning a database migration from an on-premises Oracle database to Amazon RDS for PostgreSQL. The migration must minimize downtime and preserve ongoing changes. Which TWO services should the engineer consider using together? (Choose two.)

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 DMS can migrate data and replicate ongoing changes using CDC, while the Schema Conversion Tool can convert the Oracle schema to PostgreSQL.

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 DataSync

    Why it's wrong here

    DataSync is for file storage migration, not databases.

  • ✗

    AWS Snowball

    Why it's wrong here

    Snowball is for offline data transfer, not suitable for live database migration with CDC.

  • ✓

    AWS Database Migration Service (DMS)

    Why this is correct

    DMS supports full load and CDC for minimal downtime migration.

  • ✗

    Amazon S3 Transfer Acceleration

    Why it's wrong here

    Transfer Acceleration speeds up S3 uploads, not database migration.

  • ✓

    AWS Schema Conversion Tool (SCT)

    Why this is correct

    SCT converts source schema and code to target database format.

About these practice questions

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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.