A company’s website uses an Amazon EC2 instance store for its catalog of items. The company wants to make sure that the catalog is highly available and that the catalog is stored in a durable location.
What should a solutions architect do to meet these requirements?
A . Move the catalog to Amazon ElastiCache for Redis.
B . Deploy a larger EC2 instance with a larger instance store.
C . Move the catalog from the instance store to Amazon S3 Glacier Deep Archive.
D . Move the catalog to an Amazon Elastic File System (Amazon EFS) file system.
Answer: D
Explanation:
Moving the catalog to an Amazon Elastic File System (Amazon EFS) file system provides both high availability and durability. Amazon EFS is a fully-managed, highly-available, and durable file system that is built to scale on demand. With Amazon EFS, the catalog data can be stored and accessed from multiple EC2 instances in different availability zones, ensuring high availability. Also, Amazon EFS automatically stores files redundantly within and across multiple availability zones, making it a durable storage option.
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