CV0-004 Deployment Practice Question
A cloud administrator needs to transfer 50 TB of data from an on-premises NAS to Amazon S3. The office has limited bandwidth (50 Mbps). Which service is most suitable for this offline transfer?
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 Snowball
AWS Snowball is designed for large offline data transfers where network bandwidth is limited. Physical devices are shipped to transfer data.
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 VPN
Why it's wrong here
VPN is for secure network connection, not for data transfer of this scale.
- ✗
AWS DataSync
Why it's wrong here
DataSync is for online transfer over the network, not ideal for limited bandwidth.
- ✓
AWS Snowball
Why this is correct
Snowball is a physical device for offline transfer, suitable for large data volumes over limited bandwidth.
- ✗
S3 Transfer Acceleration
Why it's wrong here
Acceleration speeds up online transfers, but still limited by bandwidth.
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 |
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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.