PAS-C01 Design of SAP Workloads on AWS Practice Question
An SAP Basis team is designing a high-availability architecture for SAP NetWeaver on AWS. They plan to use a shared file system for the transport directory and SAP profiles across multiple availability zones. Which AWS storage service should they use?
⚠ Common exam trap
Candidates often confuse Amazon EBS Multi-Attach (option A) as a viable cross-AZ solution, but it is strictly single-AZ, making it incompatible with the multi-AZ high-availability requirement for SAP NetWeaver.
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 EFS
Amazon EFS (Elastic File System) is the correct choice because it provides a fully managed, NFS-based shared file system that is accessible from multiple EC2 instances across different Availability Zones. For SAP NetWeaver, the transport directory and SAP profiles must be concurrently accessible from all application servers in a high-availability setup, and EFS supports the required POSIX permissions and locking semantics needed by SAP.
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 EBS with multi-attach
Why it's wrong here
EBS multi-attach is limited to a single AZ and not across AZs.
- ✗
Amazon FSx for Windows File Server
Why it's wrong here
FSx for Windows is for Windows, not typical for SAP on Linux.
- ✓
Amazon EFS
Why this is correct
EFS provides a shared NFS file system across AZs.
- ✗
Amazon S3
Why it's wrong here
S3 is not a file system; it's object storage.
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
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Senior Network & Security Engineer · founder of Courseiva
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