- A
Use AWS Storage Gateway File Gateway to cache data on-premises and sync to S3.
Why wrong: Initial sync still limited by network.
- B
Use AWS Snowball Edge to transfer data to an S3 bucket, then use AWS DataSync to copy to Amazon FSx for Windows File Server.
Offline transfer bypasses bandwidth; FSx preserves Windows permissions.
- C
Use AWS DataSync to transfer data directly to Amazon EFS over the internet.
Why wrong: Network bandwidth is insufficient for 50 TB in one week.
- D
Use AWS CLI to copy data directly to an S3 bucket, then mount S3 as a file system.
Why wrong: Cannot preserve NTFS permissions on S3.
Question 1,650 of 1,746
SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. 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 is migrating its on-premises file server to AWS. The file server contains 50 TB of data stored on a Windows Server with NTFS permissions. The company needs to maintain the folder structure and permissions after migration. The migration must be completed within one week. The company has a 100 Mbps internet connection. Which approach should the solutions architect recommend?
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
✓
Use AWS Snowball Edge to transfer data to an S3 bucket, then use AWS DataSync to copy to Amazon FSx for Windows File Server.
Given the large data size (50 TB) and limited bandwidth (100 Mbps), transferring over the internet would take approximately 46 days, exceeding the one-week window. AWS Snowball Edge provides a physical data transport solution that bypasses bandwidth constraints. After transferring data to an S3 bucket via Snowball Edge, AWS DataSync can be used to copy the data to Amazon FSx for Windows File Server, preserving folder structure and NTFS permissions. Option A (Storage Gateway File Gateway) still requires initial network transfer, which is too slow. Option C (DataSync directly to EFS) would also be too slow over the internet and EFS does not support NTFS ACLs. Option D (CLI to S3 and mount) loses permissions and is also bandwidth-limited.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use AWS Storage Gateway File Gateway to cache data on-premises and sync to S3.
Why it's wrong here
Initial sync still limited by network.
- ✓
Use AWS Snowball Edge to transfer data to an S3 bucket, then use AWS DataSync to copy to Amazon FSx for Windows File Server.
Why this is correct
Offline transfer bypasses bandwidth; FSx preserves Windows permissions.
Related concept
Standard ACLs match source addresses.
- ✗
Use AWS DataSync to transfer data directly to Amazon EFS over the internet.
Why it's wrong here
Network bandwidth is insufficient for 50 TB in one week.
- ✗
Use AWS CLI to copy data directly to an S3 bucket, then mount S3 as a file system.
Why it's wrong here
Cannot preserve NTFS permissions on S3.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SAP-C02 ACL questions on filtering logic and placement.
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Accelerate Workload Migration and Modernization — study guide chapter
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FAQ
Questions learners often ask
What does this SAP-C02 question test?
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Use AWS Snowball Edge to transfer data to an S3 bucket, then use AWS DataSync to copy to Amazon FSx for Windows File Server. — Given the large data size (50 TB) and limited bandwidth (100 Mbps), transferring over the internet would take approximately 46 days, exceeding the one-week window. AWS Snowball Edge provides a physical data transport solution that bypasses bandwidth constraints. After transferring data to an S3 bucket via Snowball Edge, AWS DataSync can be used to copy the data to Amazon FSx for Windows File Server, preserving folder structure and NTFS permissions. Option A (Storage Gateway File Gateway) still requires initial network transfer, which is too slow. Option C (DataSync directly to EFS) would also be too slow over the internet and EFS does not support NTFS ACLs. Option D (CLI to S3 and mount) loses permissions and is also bandwidth-limited.
What should I do if I get this SAP-C02 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SAP-C02 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Last reviewed: Jun 20, 2026
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