- A
AWS Server Migration Service (SMS)
Why wrong: Migrates servers, not file data to S3.
- B
AWS DataSync
Why wrong: Accelerates but still relies on network; may not meet timeline.
- C
AWS Direct Connect
Why wrong: Could increase bandwidth but provisioning takes time.
- D
AWS Snowball Edge
Offline device can transfer 100 TB quickly.
- E
Amazon S3 Transfer Acceleration
Why wrong: Speeds up uploads but still limited by bandwidth.
Question 415 of 997
CV0-004 Deployment Practice Question
This CV0-004 practice question tests your understanding of deployment. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company needs to migrate a 100 TB on-premises file server to AWS S3. The migration must be completed within two weeks. The network bandwidth is limited to 1 Gbps. Which TWO services should be combined to accomplish this migration within the timeframe? (Select 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 Snowball Edge
Option D (AWS Snowball Edge) is correct because it provides a physical storage device that can transfer 100 TB of data offline, bypassing the 1 Gbps bandwidth limitation. With 1 Gbps, the theoretical maximum transfer over the network would be approximately 10.8 TB per day, requiring over 9 days for 100 TB under ideal conditions, but real-world factors like protocol overhead and contention make two weeks infeasible. Snowball Edge can handle up to 80 TB per device, so two devices can complete the migration well within the two-week window.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 (SMS)
Why it's wrong here
Migrates servers, not file data to S3.
- ✗
AWS DataSync
Why it's wrong here
Accelerates but still relies on network; may not meet timeline.
- ✗
AWS Direct Connect
Why it's wrong here
Could increase bandwidth but provisioning takes time.
- ✓
AWS Snowball Edge
Why this is correct
Offline device can transfer 100 TB quickly.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Amazon S3 Transfer Acceleration
Why it's wrong here
Speeds up uploads but still limited by bandwidth.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose DataSync or Transfer Acceleration, assuming they can accelerate transfers sufficiently, but they fail to calculate that even with optimal network conditions, 100 TB over 1 Gbps requires over 9 days of continuous transfer, leaving no margin for real-world inefficiencies or the two-week deadline.
Detailed technical explanation
How to think about this question
AWS Snowball Edge uses a tamper-resistant device with built-in storage and compute, supporting data transfer via the Snowball client or NFS mount. Under the hood, it encrypts data at rest with 256-bit AES and in transit with TLS, and after shipping, AWS imports the data into S3 automatically. In real-world scenarios, Snowball is ideal for large datasets (over 10 TB) or when bandwidth is limited, as it avoids network congestion and transfer time calculations.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CV0-004 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
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 |
What to study next
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FAQ
Questions learners often ask
What does this CV0-004 question test?
Deployment — This question tests Deployment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: AWS Snowball Edge — Option D (AWS Snowball Edge) is correct because it provides a physical storage device that can transfer 100 TB of data offline, bypassing the 1 Gbps bandwidth limitation. With 1 Gbps, the theoretical maximum transfer over the network would be approximately 10.8 TB per day, requiring over 9 days for 100 TB under ideal conditions, but real-world factors like protocol overhead and contention make two weeks infeasible. Snowball Edge can handle up to 80 TB per device, so two devices can complete the migration well within the two-week window.
What should I do if I get this CV0-004 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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.
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