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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 753 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 753
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company has a nightly batch processing routine that analyzes report files that an on-premises file system receives daily through SFTP. The company wants to move the solution to the AWS Cloud. The solution must be highly available and resilient. The solution also must minimize operational effort.

Which solution meets these requirements?

  • A. Deploy AWS Transfer for SFTP and an Amazon Elastic File System (Amazon EFS) file system for storage. Use an Amazon EC2 instance in an Auto Scaling group with a scheduled scaling policy to run the batch operation.
  • B. Deploy an Amazon EC2 instance that runs Linux and an SFTP service. Use an Amazon Elastic Block Store (Amazon EBS) volume for storage. Use an Auto Scaling group with the minimum number of instances and desired number of instances set to 1.
  • C. Deploy an Amazon EC2 instance that runs Linux and an SFTP service. Use an Amazon Elastic File System (Amazon EFS) file system for storage. Use an Auto Scaling group with the minimum number of instances and desired number of instances set to 1.
  • D. Deploy AWS Transfer for SFTP and an Amazon S3 bucket for storage. Modify the application to pull the batch files from Amazon S3 to an Amazon EC2 instance for processing. Use an EC2 instance in an Auto Scaling group with a scheduled scaling policy to run the batch operation.
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Suggested Answer: A 🗳️
by Andy_09 at Feb. 5, 2024, 9:30 p.m.
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Sivaeas
Highly Voted 1 year, 1 month ago
Selected Answer: A
The Answer should be A not D because ... Modify the application to pull the batch files from Amazon S3 to an Amazon EC2 instance for processing.--Why we need to do this when we can move the file directly to EFS in EC2 system AWS Transfer Family now also supports file transfers to Amazon Elastic File System (Amazon EFS) file systems as well as Amazon S3.
upvoted 8 times
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BBR01
Highly Voted 1 year ago
Selected Answer: A
A should be enough. EFS can be mounted to ASG directly, and there is no need to use S3 in the middle.
upvoted 5 times
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zdi561
Most Recent 2 months, 3 weeks ago
Selected Answer: A
A and D both work , but EFS is more natural file system for original batch routing, and could be faster than S3
upvoted 1 times
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MatAlves
7 months, 2 weeks ago
Selected Answer: A
"... an on-premises file system receives" = file system > EFS. SFT in AWS = AWS Transfer family Even though D works, that would require changes in the current architecture.
upvoted 2 times
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Scheldon
10 months, 1 week ago
Selected Answer: A
AnswerA Option A and D will work, but taking into consideration requirements I would go with A
upvoted 2 times
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Franjly
10 months, 4 weeks ago
Selected Answer: A
File system = efs, fsx, ....
upvoted 2 times
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7fb06b3
11 months, 3 weeks ago
Selected Answer: D
Option D, I'm not 100% sure.. Always prefer S3 over EFS
upvoted 2 times
MatAlves
7 months, 2 weeks ago
"... an on-premises file system receives" = file system > EFS.
upvoted 2 times
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JackyCCK
1 year, 1 month ago
I think the ans is A as well, option D require "Modify the application" which is not "minimize operational effort"
upvoted 4 times
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khoantd
1 year, 1 month ago
Selected Answer: C
Option D
upvoted 1 times
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Ipergorta
1 year, 1 month ago
Option D
upvoted 1 times
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PolarFox
1 year, 2 months ago
Selected Answer: D
trasnfer + S3 = HA, scheduled scaling = resilient
upvoted 3 times
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NayeraB
1 year, 2 months ago
Selected Answer: D
I'm not 100% sure, but D looks like the right flow to me
upvoted 1 times
TwinSpark
11 months, 2 weeks ago
I agree on a professional level, that's will make the company save money, that is the only things company care about. But for the exam i will go for A
upvoted 2 times
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osmk
1 year, 2 months ago
Selected Answer: A
The service is designed to be highly scalable, highly available, and highly durable. Amazon EFS offers the following file system types to meet your availability and durability needs ->https://docs.aws.amazon.com/efs/latest/ug/whatisefs.html Amazon S3 achieves high availability by replicating data across multiple servers within AWS data centers->https://docs.aws.amazon.com/AmazonS3/latest/userguide/Welcome.html
upvoted 2 times
NayeraB
1 year, 2 months ago
But option A doesn't address the need for the application to pull the batch jobs from the new storage, also is the use of EFS needed here? In terms of it being a shared storage and whatnot..
upvoted 2 times
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osmk
1 year, 2 months ago
A>>>>>
upvoted 1 times
osmk
1 year, 2 months ago
The service is designed to be highly scalable, highly available, and highly durable. Amazon EFS offers the following file system types to meet your availability and durability needs ->https://docs.aws.amazon.com/efs/latest/ug/whatisefs.html Amazon S3 achieves high availability by replicating data across multiple servers within AWS data centers->https://docs.aws.amazon.com/AmazonS3/latest/userguide/Welcome.html
upvoted 3 times
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Andy_09
1 year, 2 months ago
Option D
upvoted 3 times
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