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PAS-C01 Migration Practice Question

A company is migrating an on-premises Oracle database to Amazon RDS for Oracle. The database is 2 TB in size and has a 4-hour maintenance window. Which AWS service should be used to minimize downtime during 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) supports ongoing replication to minimize downtime. Option A (AWS Server Migration Service) is for server-level migrations. Option C (AWS Data Pipeline) is for data processing. Option D (AWS Snowball) is for large data transfers but not 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 Server Migration Service

    Why it's wrong here

    Used for server-level migration, not database replication.

  • ✓

    AWS Database Migration Service (DMS)

    Why this is correct

    DMS supports ongoing replication to minimize downtime during database migration.

  • ✗

    AWS Data Pipeline

    Why it's wrong here

    Used for data processing and transformation, not continuous replication.

  • ✗

    AWS Snowball

    Why it's wrong here

    Used for offline data transfer, does not minimize downtime.

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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.