PAS-C01 Technology Practice Question
An SAP system running on AWS uses a shared file system via Amazon EFS for transport directories. The system administrator notices that file operations are slow across multiple application servers. The EFS file system is configured with Bursting Throughput mode. What is the most effective way to improve performance?
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
✓
Switch the file system to Provisioned Throughput mode and set a higher throughput value.
Provisioned Throughput mode allows you to specify a higher throughput level for your Amazon EFS file system, providing consistent performance independent of burst credits. Option B is incorrect: using EFS Access Points does not affect throughput, they enforce access permissions. Option C is incorrect: reducing operations during off-peak hours may conserve burst credits but does not directly increase performance; significant improvement requires Provisioned Throughput. Option D is incorrect: additional mount targets in each AZ do not increase throughput as they share the same file system throughput.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Switch the file system to Provisioned Throughput mode and set a higher throughput value.
Why this is correct
Provisioned Throughput mode allows you to specify a higher throughput level, providing consistent performance independent of burst credits.
- ✗
Use EFS Access Points to enforce a different UID/GID for each application server.
Why it's wrong here
EFS Access Points are used for enforcing user/group permissions, not for improving throughput.
- ✗
Increase the burst credit balance by reducing file operations during off-peak hours.
Why it's wrong here
Reducing operations during off-peak hours may conserve burst credits but does not directly increase performance; the best solution is to switch to Provisioned Throughput.
- ✗
Create additional mount targets in each Availability Zone to distribute load.
Why it's wrong here
Additional mount targets do not increase the file system's throughput; they only provide additional mount points in different Availability Zones.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.