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Question 762 - SAA-C03 discussion

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A company is migrating a document management application to AWS. The application runs on Linux servers. The company will migrate the application to Amazon EC2 instances in an Auto Scaling group. The company stores 7 TiB of documents in a shared storage file system. An external relational database tracks the documents.

Documents are stored once and can be retrieved multiple times for reference at any time. The company cannot modify the application during the migration. The storage solution must be highly available and must support scaling over time.

Which solution will meet these requirements MOST cost-effectively?

A.
Deploy an EC2 instance with enhanced networking as a shared NFS storage system. Export the NFS share. Mount the NFS share on the EC2 instances in the Auto Scaling group.
Answers
A.
Deploy an EC2 instance with enhanced networking as a shared NFS storage system. Export the NFS share. Mount the NFS share on the EC2 instances in the Auto Scaling group.
B.
Create an Amazon S3 bucket that uses the S3 Standard-Infrequent Access (S3 Standard-IA) storage class Mount the S3 bucket on the EC2 instances in the Auto Scaling group.
Answers
B.
Create an Amazon S3 bucket that uses the S3 Standard-Infrequent Access (S3 Standard-IA) storage class Mount the S3 bucket on the EC2 instances in the Auto Scaling group.
C.
Deploy an SFTP server endpoint by using AWS Transfer for SFTP and an Amazon S3 bucket. Configure the EC2 instances in the Auto Scaling group to connect to the SFTP server.
Answers
C.
Deploy an SFTP server endpoint by using AWS Transfer for SFTP and an Amazon S3 bucket. Configure the EC2 instances in the Auto Scaling group to connect to the SFTP server.
D.
Create an Amazon.. System (Amazon fcFS) file system with mount points in multiple Availability Zones. Use the bFS Stondard-intrcqucnt Access (Standard-IA) storage class. Mount the NFS share on the EC2 instances in the Auto Scaling group.
Answers
D.
Create an Amazon.. System (Amazon fcFS) file system with mount points in multiple Availability Zones. Use the bFS Stondard-intrcqucnt Access (Standard-IA) storage class. Mount the NFS share on the EC2 instances in the Auto Scaling group.
Suggested answer: D

Explanation:

Requirement Analysis: The company needs highly available, scalable storage for a document management application without modifying the application during migration.

EFS Overview: Amazon EFS provides scalable file storage that can be mounted concurrently on multiple EC2 instances across different Availability Zones.

EFS Standard-IA: Using the Standard-IA storage class helps reduce costs for infrequently accessed data while maintaining high availability and scalability.

Implementation:

Create an EFS file system.

Configure mount targets in multiple Availability Zones to ensure high availability.

Mount the EFS file system on EC2 instances in the Auto Scaling group.

Conclusion: This solution meets the high availability, scalability, and cost-effectiveness requirements without needing application modifications.

Reference

Amazon EFS: Amazon EFS Documentation

EFS Storage Classes: Amazon EFS Storage Classes

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asked 16/09/2024
Stefan Denić
19 questions
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