The answer is Amazon EFS. This is the correct choice because Amazon EFS provides a fully managed, highly available shared file system that is POSIX-compliant and supports automatic failover across multiple Availability Zones, directly addressing the need for a resilient /sapmnt and /usr/sap/trans mount without manual intervention. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding of shared storage requirements for SAP—specifically that SAP demands POSIX compliance for its kernel and transport directories, which eliminates FSx for Windows File Server (non-POSIX), EBS (not shareable), and S3 (object storage, not a POSIX file system). A common trap is assuming any managed NFS service works, but EFS is the only AWS-native, fully managed solution that meets both the high availability and POSIX needs for SAP on AWS. Memory tip: think “EFS = Elastic File System = SAP’s POSIX shared file system for HA.”
PAS-C01 Design of SAP Workloads on AWS Practice Question
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. 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.
An SAP system on AWS uses a shared file system for /sapmnt and /usr/sap/trans mounted from an EC2 instance running NFS. The NFS server experiences a failure causing downtime for all SAP application servers. The company wants a highly available shared file system with automatic failover. The budget is limited, and the company prefers a fully managed solution. Which AWS service should the company use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon EFS
Option A is correct because Amazon EFS is a fully managed NFS file system that is highly available across multiple Availability Zones. Option B is wrong because FSx for Windows File Server is not POSIX-compliant for SAP. Option C is wrong because EBS is not shared. Option D is wrong because S3 is not a POSIX file system.
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.
✗
Amazon FSx for Windows File Server
Why it's wrong here
FSx for Windows is SMB-based and not supported for SAP on Linux.
✓
Amazon EFS
Why this is correct
EFS is a managed NFS file system that provides high availability across AZs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Amazon EBS with a cluster file system
Why it's wrong here
EBS volumes cannot be attached to multiple instances across AZs without additional clustering.
✗
Amazon S3 with s3fs-fuse
Why it's wrong here
S3 is not a POSIX-compliant file system and s3fs-fuse is not recommended for SAP.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 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.
What to study next
Got this wrong? Here's your next step.
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon EFS — Option A is correct because Amazon EFS is a fully managed NFS file system that is highly available across multiple Availability Zones. Option B is wrong because FSx for Windows File Server is not POSIX-compliant for SAP. Option C is wrong because EBS is not shared. Option D is wrong because S3 is not a POSIX file system.
What should I do if I get this PAS-C01 question wrong?
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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