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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 41 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 41
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company's application integrates with multiple software-as-a-service (SaaS) sources for data collection. The company runs Amazon EC2 instances to receive the data and to upload the data to an Amazon S3 bucket for analysis. The same EC2 instance that receives and uploads the data also sends a notification to the user when an upload is complete. The company has noticed slow application performance and wants to improve the performance as much as possible.
Which solution will meet these requirements with the LEAST operational overhead?

  • A. Create an Auto Scaling group so that EC2 instances can scale out. Configure an S3 event notification to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.
  • B. Create an Amazon AppFlow flow to transfer data between each SaaS source and the S3 bucket. Configure an S3 event notification to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.
  • C. Create an Amazon EventBridge (Amazon CloudWatch Events) rule for each SaaS source to send output data. Configure the S3 bucket as the rule's target. Create a second EventBridge (Cloud Watch Events) rule to send events when the upload to the S3 bucket is complete. Configure an Amazon Simple Notification Service (Amazon SNS) topic as the second rule's target.
  • D. Create a Docker container to use instead of an EC2 instance. Host the containerized application on Amazon Elastic Container Service (Amazon ECS). Configure Amazon CloudWatch Container Insights to send events to an Amazon Simple Notification Service (Amazon SNS) topic when the upload to the S3 bucket is complete.
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Suggested Answer: B 🗳️
by BoboChow at Oct. 14, 2022, 8:05 a.m.
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jdr75
Highly Voted 2 years, 2 months ago
Selected Answer: A
It says "LEAST operational overhead" (ie do it in a way it's the less work for me). If you know a little Amazon AppFlow (see the some videos) you'll see you'll need time to configure and test it, and at the end cope with the errors during the extraction and load the info to the target. The customer in the example ALREADY has some EC2 that do the work, the only problem is the performance, that WILL be improved scaling out and adding a queue (SNS) to decouple the work of notify the user. The operational load of doing this is LESS that configuring AppFlow.
upvoted 47 times
nhaastrup
5 months, 3 weeks ago
No B. if you go to the aws site(https://aws.amazon.com/appflow/) -AppFlow is a fully managed integration service that helps you securely transfer data between software as a service (SaaS) applications such as Salesforce, SAP, Google Analytics, Facebook Ads, and ServiceNow, and AWS services such as Amazon Simple Storage Service (S3) and Amazon Redshift in just a "few clicks". remember the question is asking for "the LEAST operational overhead", While Auto Scaling improves performance, it still involves managing EC2 instances, which adds operational overhead compared to a managed service like AppFlow.
upvoted 6 times
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the_mellie
1 year ago
Agreed, I hesitated a long time exactly for this reason. However, the requirement is to improve the performance as much as possible. I cannot guarantee the same performance with EC2 than with managed services. That's why I eventually voted B.
upvoted 2 times
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pentium75
1 year, 5 months ago
"Operational overhead" refers to operation of the solution once it's deployed, it's not about setting it up. EC2 instances that retrieve data from A and write it to B are nonsense, that's what cloud services are meant for.
upvoted 14 times
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awsgeek75
1 year, 5 months ago
With AWS, a managed service is "less operational overhead" regardless of the complexity of the setup. AppFlow management is less of a headache when compared to EC2 management so A cannot be correct. EC2 has a setup overhead of OS/Application/Code hooks, security etc. continuous patching/upgrading seems like more than what you'll need to do with SaaS. B is the correct answer.
upvoted 9 times
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Six_Fingered_Jose
Highly Voted 2 years, 7 months ago
Selected Answer: B
This question just screams AppFlow (SaaS integration) https://aws.amazon.com/appflow/
upvoted 40 times
Six_Fingered_Jose
2 years, 7 months ago
configuring Auto-Scaling also takes time when compared to AppFlow, in AWS's words "in just a few clicks" > Amazon AppFlow is a fully managed integration service that enables you to securely transfer data between Software-as-a-Service (SaaS) applications like Salesforce, SAP, Zendesk, Slack, and ServiceNow, and AWS services like Amazon S3 and Amazon Redshift, in just a few clicks
upvoted 23 times
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Kazmin
Most Recent 2 months, 3 weeks ago
Selected Answer: A
A is correct
upvoted 1 times
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Itachi28
3 months ago
Selected Answer: B
Option A: Auto Scaling EC2 instances High operational overhead (still managing EC2 instances). Not eliminating bottlenecks (EC2 instance is still the data processor). 🔴 Option C: EventBridge Rules Complex event-driven setup instead of direct integration. Requires custom event rules for each SaaS source, increasing operational burden. 🔴 Option D: ECS with CloudWatch Events Migrating to ECS introduces complexity and doesn’t directly improve transfer speeds. Still processes data manually, adding an unnecessary layer. Amazon AppFlow (Option B) is the best choice because it is fully managed, removes EC2 dependencies, and simplifies integration while improving performance.
upvoted 1 times
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Dharmarajan
4 months, 3 weeks ago
Selected Answer: B
Initially I was inclined towards A, but then I read about AppFlow, which is a specific service to collect SAAS data sources. Also with A, there will be additional maintenance activities for EC2and application, but AppFlow will completely eliminate that work!
upvoted 1 times
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Skyskilo
5 months, 1 week ago
Selected Answer: A
Key words here is Least Operational Overhead so A for me
upvoted 1 times
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vuongdo
5 months, 4 weeks ago
Selected Answer: B
The answer is B, because for answer A you will have to manage the EC2 infrastructure, while AppFlow is a serverless service, you will not need to manage the infrastructure
upvoted 3 times
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llccing
6 months ago
Selected Answer: B
i support AppFlow, the original can be saas, and the target can be s3.
upvoted 2 times
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f51a8bd
7 months, 1 week ago
B. Cree un flujo de Amazon AppFlow para transferir datos entre cada fuente de SaaS y el depósito de S3. Configure una notificación de eventos de S3 para enviar eventos a un tema de Amazon Simple Notification Service (Amazon SNS) cuando se complete la carga al depósito de S3. Explicación: Amazon AppFlow permite la integración directa con múltiples fuentes de SaaS y automatiza el flujo de datos hacia Amazon S3, eliminando la necesidad de instancias de EC2 para recibir y cargar datos. Esto reduce la carga en las instancias de EC2 y simplifica el proceso de integración y recolección de datos. Notificación de eventos de S3 y SNS : Configurar eventos en Amazon S3 permite enviar notificaciones directamente a un tema de Amazon SNS cuando los datos se han cargado, lo cual asegura que los usuarios recibirán notificaciones sin necesidad de código personalizado en EC2.
upvoted 2 times
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ChymKuBoy
8 months, 1 week ago
Selected Answer: B
B for sure
upvoted 1 times
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rar75024
8 months, 2 weeks ago
direct connect maybe correct answer but we are making too many assumptions regarding direct connect network requirements.
upvoted 1 times
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effiecancode
11 months, 2 weeks ago
Has to be appflow because of the SaaS integration
upvoted 2 times
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jatric
11 months, 3 weeks ago
Selected Answer: B
First i thought it would be A but with more stydy found if its Saas and need to choose between EC2 and aws managed service one should always choose AWS managed service. So AppFlow seems more appropriate here.
upvoted 4 times
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SMALLE
1 year, 4 months ago
Selected Answer: B
Amazon AppFlow is a fully managed integration service that helps you securely transfer data between software as a service (SaaS) applications such as Salesforce, SAP, Google Analytics, Facebook Ads, and ServiceNow, and AWS services such as Amazon Simple Storage Service (S3) and Amazon Redshift in just a few clicks. https://aws.amazon.com/appflow/
upvoted 5 times
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awsgeek75
1 year, 5 months ago
Selected Answer: B
https://aws.amazon.com/appflow/ "With Amazon AppFlow automate bi-directional data flows between SaaS applications and AWS services in just a few clicks." If you want to pass the exam, choose B, regardless of your personal experience! Always use AWS managed services for "least operational overhead"
upvoted 6 times
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[Removed]
1 year, 7 months ago
SaaS - AppFlow
upvoted 2 times
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OmegaLambda7XL9
1 year, 7 months ago
Yea , I think this question is looking for Amazon Appflow.I also feel like it would be easier to set up Autoscaling for the already existing EC2 instances in the short term but then the fact that this software integrates with a lot of SAAS services means using Amazon Appflow will work reduce operational overhead in the long term
upvoted 5 times
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