Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 304 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 304
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company recently created a disaster recovery site in a different AWS Region. The company needs to transfer large amounts of data back and forth between NFS file systems in the two Regions on a periodic basis.

Which solution will meet these requirements with the LEAST operational overhead?

A. Use AWS DataSync.
B. Use AWS Snowball devices.
C. Set up an SFTP server on Amazon EC2.
D. Use AWS Database Migration Service (AWS DMS).

Show Suggested Answer

Suggested Answer: A 🗳️

by NolaHOla at Feb. 19, 2023, 3:49 p.m.

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LuckyAro

Highly Voted 1 year, 4 months ago

Selected Answer: A

AWS DataSync is a fully managed data transfer service that simplifies moving large amounts of data between on-premises storage systems and AWS services. It can also transfer data between different AWS services, including different AWS Regions. DataSync provides a simple, scalable, and automated solution to transfer data, and it minimizes the operational overhead because it is fully managed by AWS.

upvoted 19 times

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Ruffyit

Most Recent 7 months, 2 weeks ago

upvoted 2 times

Salilgen

6 months, 3 weeks ago

You cannot use DataSync to transfer across Regions with an NFS https://docs.aws.amazon.com/datasync/latest/userguide/working-with-locations.html#working-with-locations-cross-regions

upvoted 1 times

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TariqKipkemei

8 months, 4 weeks ago

Selected Answer: A

Use AWS DataSync

upvoted 2 times

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Guru4Cloud

10 months ago

Selected Answer: A

Use AWS DataSync.

upvoted 2 times

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kruasan

1 year, 2 months ago

Selected Answer: A

• AWS DataSync is a data transfer service optimized for moving large amounts of data between NFS file systems. It can automatically copy files and metadata between your NFS file systems in different AWS Regions. • DataSync requires minimal setup and management. You deploy a source and destination agent, provide the source and destination locations, and DataSync handles the actual data transfer efficiently in the background. • DataSync can schedule and monitor data transfers to keep source and destination in sync with minimal overhead. It resumes interrupted transfers and validates data integrity. • DataSync optimizes data transfer performance across AWS's network infrastructure. It can achieve high throughput with minimal impact to your operations.

upvoted 4 times

kruasan

1 year, 2 months ago

Option B - AWS Snowball requires physical devices to transfer data. This incurs overhead to transport devices and manually load/unload data. It is not an online data transfer solution. Option C - Setting up and managing an SFTP server would require provisioning EC2 instances, handling security groups, and writing scripts to automate the data transfer - all of which demand more overhead than DataSync. Option D - AWS Database Migration Service is designed for migrating databases, not general file system data. It would require converting your NFS data into a database format, incurring additional overhead.

upvoted 4 times

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