SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating a monolithic application to AWS. The application currently runs on a single on-premises server and uses a local MySQL database. To reduce migration risk, the company wants to minimize application code changes. Which AWS service should the company use to migrate the database with minimal application modification?
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 (AWS DMS)
AWS Database Migration Service (AWS DMS) is the correct choice because it supports homogeneous migrations of MySQL databases with minimal application changes. DMS can migrate data from an on-premises MySQL database to Amazon RDS for MySQL or Amazon Aurora while keeping the application largely unchanged. Option A (Amazon RDS for MySQL) is not a migration service; it is the target database service that requires manual import or use of DMS. Option C (AWS Snowball) is designed for large-scale offline data transfers, not for live database migrations. Option D (Amazon S3) is an object storage service and cannot be used to migrate a relational database directly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon RDS for MySQL
Why it's wrong here
RDS is a managed service but requires manual migration and potential schema changes.
- ✓
AWS Database Migration Service (AWS DMS)
Why this is correct
AWS DMS can migrate databases with minimal downtime and supports homogeneous migrations, reducing code changes.
- ✗
AWS Snowball
Why it's wrong here
Snowball is for offline data transfer, not live database migration.
- ✗
Amazon S3
Why it's wrong here
S3 is object storage, not a database migration tool.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-C02 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 SAP-C02 exam.