SAP-C02 Design for New Solutions Practice Question
A company is designing a new application that will run on Amazon EKS. The application requires persistent storage that can be accessed by multiple pods simultaneously. The storage must be highly available and durable. Which storage solution should be used?
⚠ Common exam trap
The trap is that many candidates choose EFS One Zone, thinking it is highly available, but it is only durable within a single AZ. They overlook that S3 with Mountpoint can also serve as shared, highly available storage for EKS pods.
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
✓
Amazon S3 with Mountpoint for S3
Amazon S3 with Mountpoint for S3 is the correct choice because it provides a fully managed, highly available, and durable object storage that can be accessed by multiple Amazon EKS pods simultaneously via a file system interface. S3 is designed for 99.999999999% durability and 99.99% availability, and Mountpoint allows concurrent read/write access from multiple pods, meeting the RWX access mode requirement. Amazon EFS One Zone (Option A) is not highly available as it resides in a single Availability Zone, Amazon EBS gp3 (Option B) supports only RWO, and Amazon FSx for Lustre (Option D) is optimized for high-performance computing and is not a general-purpose shared storage solution.
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 EFS with One Zone storage classes
Why it's wrong here
EFS One Zone is not highly available as it operates within a single Availability Zone, failing the HA requirement.
- ✗
Amazon EBS with gp3 volume type
Why it's wrong here
EBS gp3 supports only ReadWriteOnce (RWO), so it cannot be accessed by multiple pods simultaneously.
- ✓
Amazon S3 with Mountpoint for S3
Why this is correct
Correct. S3 with Mountpoint provides highly available, durable shared storage accessible by multiple pods concurrently.
- ✗
Amazon FSx for Lustre
Why it's wrong here
FSx for Lustre is designed for high-performance compute workloads, not general-purpose shared storage for EKS.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SAP-C02 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 SAP-C02 exam.