- A
General Purpose
Why wrong: General Purpose mode is optimized for low latency, not high metadata operations.
- B
Throughput Optimized
Why wrong: This is not a valid EFS performance mode.
- C
Max I/O
Max I/O mode is designed for high throughput and parallel metadata operations.
- D
Provisioned Throughput
Why wrong: Provisioned Throughput is a throughput setting, not a performance mode.
Question 1,131 of 1,733
PAS-C01 Technology Practice Question
This PAS-C01 practice question tests your understanding of technology. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 uses Amazon EFS for shared file storage. The SAP application writes many small files concurrently, causing high metadata operations. Which EFS performance mode should be selected to optimize for this workload?
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
✓
Max I/O
Max I/O mode is designed for workloads with high concurrency and metadata-intensive operations, such as many small files being written simultaneously. It scales to higher levels of aggregate throughput and IOPS than General Purpose mode, making it the correct choice for this SAP workload.
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.
- ✗
General Purpose
Why it's wrong here
General Purpose mode is optimized for low latency, not high metadata operations.
- ✗
Throughput Optimized
Why it's wrong here
This is not a valid EFS performance mode.
- ✓
Max I/O
Why this is correct
Max I/O mode is designed for high throughput and parallel metadata operations.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Provisioned Throughput
Why it's wrong here
Provisioned Throughput is a throughput setting, not a performance mode.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is confusing EFS performance modes with throughput settings or S3 storage classes, leading candidates to select 'Throughput Optimized' (which does not exist for EFS) or 'Provisioned Throughput' (which controls throughput, not metadata performance).
Detailed technical explanation
How to think about this question
EFS Max I/O mode uses a distributed data plane that can scale to thousands of concurrent connections and high aggregate throughput, but it introduces higher per-operation latency compared to General Purpose mode. Under the hood, Max I/O spreads file metadata across multiple servers, reducing contention for metadata operations like open, close, and stat calls, which is critical for SAP workloads that generate many small files. In real-world scenarios, SAP batch jobs or print spooling processes often create thousands of tiny files per second, and Max I/O prevents metadata bottlenecks that would otherwise throttle throughput.
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.
TExam Day Tips
- 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.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Max I/O — Max I/O mode is designed for workloads with high concurrency and metadata-intensive operations, such as many small files being written simultaneously. It scales to higher levels of aggregate throughput and IOPS than General Purpose mode, making it the correct choice for this SAP workload.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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