SAP-C02 Practice Question: Accelerate Workload Migration and Modernization
A company wants to migrate a legacy .NET application to AWS. The application uses Windows authentication and requires a shared file system. Which TWO AWS services should the company use to modernize this application? (Choose 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
✓
Amazon FSx for Windows File Server
Amazon FSx for Windows File Server (A) is correct because it provides a fully managed native Windows file system supporting SMB protocol, NTFS permissions, and Active Directory integration, which satisfies the application's Windows authentication and shared file system requirements. AWS Elastic Beanstalk (B) is correct because it supports deploying and scaling .NET applications on Windows Server environments (IIS), allowing the legacy app to be modernized with minimal code changes while preserving Windows authentication. Amazon S3 (C) is object storage and does not provide SMB shares or native Windows ACL/authentication semantics needed for a shared file system. Amazon EBS (D) provides block storage volumes attached to a single EC2 instance, not a shared file system across multiple instances. AWS Lambda (E) is a serverless compute service that does not support Windows authentication or persistent shared file system access in this legacy .NET context.
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 FSx for Windows File Server
Why this is correct
FSx for Windows File Server provides SMB shares with native NTFS permissions and Active Directory integration, so the legacy .NET application keeps Windows authentication and a shared file system without code changes. It satisfies the shared-storage constraint that Linux-based Amazon EFS cannot meet for this workload.
- ✓
AWS Elastic Beanstalk
Why this is correct
Elastic Beanstalk deploys and scales the .NET application on Windows Server EC2 instances, preserving Windows authentication against Active Directory. It removes infrastructure management while satisfying the platform constraint, and pairs with FSx for Windows File Server for the required shared file system.
- ✗
Amazon S3
Why it's wrong here
Amazon S3 provides object storage through REST APIs, not an SMB or Windows-authenticated file share, so the legacy .NET application's shared-file-system requirement goes unmet. S3 is tempting because it is the default durable store for migrated data, and it would be correct for static content, backups or application assets rather than a mounted share.
- ✗
Amazon EBS
Why it's wrong here
Amazon EBS volumes attach to a single EC2 instance in one Availability Zone, so they cannot present the shared file system that multiple Windows-authenticated hosts must mount concurrently. EBS is tempting because it is the standard block storage for EC2, and it would be correct for a single instance's boot or data volume.
- ✗
AWS Lambda
Why it's wrong here
AWS Lambda runs stateless functions behind event triggers and offers no persistent, Windows-authenticated file share, so the legacy .NET application cannot be hosted on it unchanged. Lambda is tempting because it modernises compute and removes server management, and it would be correct for short, event-driven code that needs no shared storage.
Visual reference
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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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.