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AWS SAP-C02 · Question 67 · Domain 2.5: Performance
A company has a fleet of Amazon EC2 instances running a legacy application that requires a shared file system. The instances are spread across two Availability Zones. The application is highly sensitive to latency and requires the highest possible IOPS. The data must be highly available and survive an AZ failure. Which storage solution should the Architect choose?
A company has a fleet of Amazon EC2 instances running a legacy application that requires a shared file system. The instances are spread across two Availability Zones. The application is highly sensitive to latency and requires the highest possible IOPS. The data must be highly available and survive an AZ failure. Which storage solution should the Architect choose?
Answer options:
A.
Amazon FSx for NetApp ONTAP
B.
Amazon Elastic File System (EFS) Max I/O performance mode
C.
Amazon EBS Provisioned IOPS (io2) Block Express with Multi-Attach
D.
AWS Storage Gateway Volume Gateway in Cached mode
How to approach this question
Identify the managed file system that offers Multi-AZ HA and the highest performance (sub-millisecond latency).
Full Answer
A.Amazon FSx for NetApp ONTAP✓ Correct
Amazon FSx for NetApp ONTAP
Amazon FSx for NetApp ONTAP provides fully managed shared storage built on NetApp's popular ONTAP file system. It supports Multi-AZ deployments for high availability across AZs. It provides sub-millisecond latencies and hundreds of thousands of IOPS, making it superior to Amazon EFS for latency-sensitive legacy applications requiring shared storage.
Common mistakes
Choosing EBS Multi-Attach, forgetting that EBS volumes are constrained to a single Availability Zone.
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