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Question 822

A company recently migrated its application to AWS. The application runs on Amazon EC2 Linux instances in an Auto Scaling group across multiple Availability Zones. The application stores data in an Amazon Elastic File System (Amazon EFS) file system that uses EFS Standard-Infrequent Access storage. The application indexes the company's files. The index is stored in an Amazon RDS database.

The company needs to optimize storage costs with some application and services changes.

Which solution will meet these requirements MOST cost-effectively?

Create an Amazon S3 bucket that uses an Intelligent-Tiering lifecycle policy. Copy all files to the S3 bucket. Update the application to use Amazon S3 API to store and retrieve files.

Deploy Amazon FSx for Windows File Server file shares. Update the application to use CIFS protocol to store and retrieve files.

Deploy Amazon FSx for OpenZFS file system shares. Update the application to use the new mount point to store and retrieve files.

Create an Amazon S3 bucket that uses S3 Glacier Flexible Retrieval. Copy all files to the S3 bucket. Update the application to use Amazon S3 API to store and retrieve files as standard retrievals.

Correct Answer: A

To optimize storage costs most effectively, creating an Amazon S3 bucket that uses an Intelligent-Tiering lifecycle policy is the best solution. Intelligent-Tiering automatically moves data between two access tiers when access patterns change, which reduces costs. It is more cost-effective than continuously storing data in EFS Standard-Infrequent Access or using other options like FSx for Windows or OpenZFS, which might have higher costs or are not designed for such use cases. S3 Glacier Flexible Retrieval is a viable option for archival storage but would not be the most efficient for scenarios requiring regular access due to retrieval times and costs. Therefore, using Amazon S3 with Intelligent-Tiering optimizes storage costs while maintaining accessibility.

Discussion

sandordiniOption: A

B, C, D off. B - Windows C - OpenZFS Costs ~ NFS Costs *3 (optimized mainly for high-performance Data analysis) D - Glacier Standard retrieval: 12 Hrs

TeamACT

Glacier standard retrieval is 5 hrs and not 12. It is glacier deep archive standard that is 12 hours.

xBUGxOption: A

i go with A since there is no other better options

ScheldonOption: A

AnswerA https://docs.aws.amazon.com/AmazonS3/latest/userguide/intelligent-tiering-overview.html

Kenneth99

should be A?

KennethNg923Option: A

optimize storage costs with some application and services changes -> Intelligent Tiering

TruthWS

A is correct