Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
Exhibit
EFS usage summary: - 25 EC2 workers mounted to one file system - Mostly small metadata reads and writes - Each request needs very low file system latency - No requirement for massive concurrent throughput across thousands of clients
Based on the exhibit, which Amazon EFS performance mode is the best fit for this workload?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Use General Purpose performance mode for low-latency access.
General Purpose is the best EFS performance mode when the priority is low latency for small file operations. The exhibit describes a moderate number of clients and latency-sensitive metadata access, which matches the strengths of General Purpose. It is the usual choice for most applications unless the workload specifically needs very large-scale parallel throughput.
B
Distractor review
Use Max I/O performance mode to optimize for the highest possible latency tolerance.
Max I/O is designed for very large, highly parallel access patterns and typically trades some latency for scale. That is not needed here.
C
Distractor review
Use One Zone storage class to increase metadata speed.
One Zone changes durability and availability scope, not the EFS performance mode that controls access behavior and latency characteristics.
D
Distractor review
Use Provisioned Throughput mode because it is the only performance mode available.
Provisioned Throughput changes bandwidth allocation, but the exhibit is asking about the performance mode choice between General Purpose and Max I/O.
Common exam trap
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.
Technical deep dive
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.
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FAQ
Questions learners often ask
What does this SAA-C03 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Use General Purpose performance mode for low-latency access. — General Purpose is the best fit because this workload needs low-latency access for a modest number of clients and mostly small files. EFS General Purpose is tuned for fast metadata operations and responsive behavior, which is exactly what the exhibit describes. Max I/O is intended for much larger, more parallel workloads, so it is unnecessary and would not be the most appropriate choice here. Why others are wrong: Max I/O is useful when many clients need very high aggregate concurrency, but it is not the usual choice for low-latency workloads with moderate client counts. One Zone affects where data is stored, not the access performance mode. Provisioned Throughput changes throughput allocation and is not the performance mode question asked by the exhibit.
What should I do if I get this SAA-C03 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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