Quick Answer
Amazon EFS is the correct choice for a shared file system for the SAP transport directory on AWS because it provides a fully managed NFS file system that can be mounted concurrently across multiple EC2 instances in different Availability Zones, meeting the high-availability requirements of an ASCS instance. Unlike EBS volumes, which are single-instance attachments unless using the limited multi-attach feature, EFS is designed for shared access, making it ideal for the transport directory where multiple SAP application servers need to read and write files simultaneously. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your understanding of shared storage patterns for SAP landscapes, often appearing as a trap where candidates confuse EBS multi-attach capabilities or mistakenly consider S3’s object storage as a file system. A key memory tip is to remember that SAP transport directories are NFS-based, and EFS is the native AWS NFS service—think “EFS for SAP’s file system.”
This PAS-C01 practice question tests your understanding of technology. 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 deploying SAP NetWeaver on AWS and needs to ensure high availability for the ASCS instance. They plan to use a shared file system for the transport directory. Which AWS storage service is most appropriate for this shared file system?
Amazon EFS
EFS provides a shared NFS file system that can be accessed from multiple EC2 instances.
Amazon EBS volumes with multi-attach
Why wrong: Multi-attach is limited to certain instance types and not ideal for shared transport.
EC2 Instance Store
Why wrong: Instance Store is ephemeral and not shared.
Amazon S3
Why wrong: S3 is object storage, not a POSIX file system.
Answer choices
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 C is correct because Amazon EFS is a managed NFS file system that can be mounted on multiple EC2 instances across AZs, suitable for shared storage like the SAP transport directory. Option A is incorrect because EBS volumes can only be attached to one instance at a time (unless using multi-attach, which is limited). Option B is incorrect because S3 is object storage, not a file system. Option D is incorrect because Instance Store is ephemeral.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Amazon EFS
Why this is correct
EFS provides a shared NFS file system that can be accessed from multiple EC2 instances.
Related concept
Read the scenario before looking for a memorised answer.
Amazon EBS volumes with multi-attach
Why it's wrong here
Multi-attach is limited to certain instance types and not ideal for shared transport.
EC2 Instance Store
Why it's wrong here
Instance Store is ephemeral and not shared.
Amazon S3
Why it's wrong here
S3 is object storage, not a POSIX file system.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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.
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FAQ
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
The correct answer is: Amazon EFS — Option C is correct because Amazon EFS is a managed NFS file system that can be mounted on multiple EC2 instances across AZs, suitable for shared storage like the SAP transport directory. Option A is incorrect because EBS volumes can only be attached to one instance at a time (unless using multi-attach, which is limited). Option B is incorrect because S3 is object storage, not a file system. Option D is incorrect because Instance Store is ephemeral.
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.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
This PAS-C01 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 PAS-C01 exam.
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