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Question 701 - SAA-C03 discussion

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A company runs a critical data analysis job each week before the first day of the work week The job requires at least 1 hour to complete the analysis The job is stateful and cannot tolerate interruptions. The company needs a solution to run the job on AWS.

Which solution will meet these requirements?

A.
Create a container for the job. Schedule the job to run as an AWS Fargate task on an Amazon Elastic Container Service (Amazon ECS) cluster by using Amazon EventBridge Scheduler.
Answers
A.
Create a container for the job. Schedule the job to run as an AWS Fargate task on an Amazon Elastic Container Service (Amazon ECS) cluster by using Amazon EventBridge Scheduler.
B.
Configure the job to run in an AWS Lambda function. Create a scheduled rule in Amazon EventBridge to invoke the Lambda function.
Answers
B.
Configure the job to run in an AWS Lambda function. Create a scheduled rule in Amazon EventBridge to invoke the Lambda function.
C.
Configure an Auto Scaling group of Amazon EC2 Spot Instances that run Amazon Linux Configure a crontab entry on the instances to run the analysis.
Answers
C.
Configure an Auto Scaling group of Amazon EC2 Spot Instances that run Amazon Linux Configure a crontab entry on the instances to run the analysis.
D.
Configure an AWS DataSync task to run the job Configure a cron expression to run the task on a schedule.
Answers
D.
Configure an AWS DataSync task to run the job Configure a cron expression to run the task on a schedule.
Suggested answer: A

Explanation:

Understanding the Requirement: The job is stateful, cannot tolerate interruptions, and needs to run reliably for at least one hour each week.

Analysis of Options:

AWS Fargate with Amazon ECS and EventBridge: This option provides a serverless compute engine for containers that can run stateful tasks reliably. Using EventBridge Scheduler, the job can be triggered automatically at the specified time without manual intervention.

AWS Lambda with EventBridge: Lambda functions are not suitable for long-running stateful jobs since they have a maximum execution time of 15 minutes.

EC2 Spot Instances: Spot Instances can be interrupted, making them unsuitable for a stateful job that cannot tolerate interruptions.

AWS DataSync: This service is primarily for moving large amounts of data and is not designed to run stateful analysis jobs.

Best Option for Reliable, Scheduled Execution:

The Fargate task on ECS with EventBridge Scheduler meets all requirements, providing the necessary reliability and scheduling capabilities without interruption risks.

Amazon ECS

AWS Fargate

Amazon EventBridge

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asked 16/09/2024
Tunde Ogunkoya
31 questions
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