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Exam AWS Certified Solutions Architect - Associate SAA-C03 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 636 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 636
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A development team is creating an event-based application that uses AWS Lambda functions. Events will be generated when files are added to an Amazon S3 bucket. The development team currently has Amazon Simple Notification Service (Amazon SNS) configured as the event target from Amazon S3.

What should a solutions architect do to process the events from Amazon S3 in a scalable way?

  • A. Create an SNS subscription that processes the event in Amazon Elastic Container Service (Amazon ECS) before the event runs in Lambda.
  • B. Create an SNS subscription that processes the event in Amazon Elastic Kubernetes Service (Amazon EKS) before the event runs in Lambda
  • C. Create an SNS subscription that sends the event to Amazon Simple Queue Service (Amazon SQS). Configure the SOS queue to trigger a Lambda function.
  • D. Create an SNS subscription that sends the event to AWS Server Migration Service (AWS SMS). Configure the Lambda function to poll from the SMS event.
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Suggested Answer: C 🗳️
by potomac at Nov. 7, 2023, 2:23 a.m.
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potomac
Highly Voted 1 year, 4 months ago
Selected Answer: C
Amazon SQS is designed for event-driven and scalable message processing. It can handle large volumes of messages and automatically scales based on the incoming workload. This allows for better load distribution and scaling as compared to direct Lambda invocation.
upvoted 6 times
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TariqKipkemei
Highly Voted 1 year, 3 months ago
Selected Answer: C
scalable service = serverless = Amazon SQS implemented with FAN-OUT. However SQS is a pull based event distribution service, it does not trigger other services. C is the closest option.
upvoted 5 times
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KennethNg923
Most Recent 9 months, 2 weeks ago
Selected Answer: C
SQS + SNS standard solution
upvoted 2 times
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awsgeek75
1 year, 2 months ago
Selected Answer: C
AB are way too complicated to scale without more specifics (no idea about number of events) D SMS is not for this, it's for server migrations C SNS is notified on file creation in S3. SNS publishes to SQS which can scale according to the input load automatically. Lambda execution can scale a lot when attached to SQS. ABC have scaling limits each but C's scaling limit is much better than AB
upvoted 3 times
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