SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company is migrating an on-premises Oracle database to Amazon Aurora PostgreSQL. They need to minimize downtime and ensure data integrity. Which AWS service should they use for 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 homogeneous and heterogeneous migrations with minimal downtime. Option A is wrong because SCT only helps with schema conversion, not the actual data migration. Option C is wrong because DataSync is for file storage, not databases. Option D is wrong because Snowball Edge is for large-scale offline data transfer, not online database migration.
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 Schema Conversion Tool (SCT)
Why it's wrong here
SCT is used for schema conversion, not continuous data replication.
- ✓
AWS Database Migration Service (DMS)
Why this is correct
DMS supports ongoing replication to minimize downtime.
- ✗
AWS DataSync
Why it's wrong here
DataSync is for transferring data between on-premises storage and AWS storage services.
- ✗
AWS Snowball Edge
Why it's wrong here
Snowball Edge is for large-scale data transfer, not database replication.
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
Related to this question
About these practice questions
This SAP-C02 question is part of Courseiva's 1,660-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
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.