Medium-HardEvaluateAWS Cloud ServicesMultiple Choice

An application processes images uploaded to S3. Which architecture is most cost-effective and scalable?

Evaluate — Tests ability to make judgments and justify decisions.

Answer Options

AEC2 instance polling S3 with a cron job every minute
BS3 Event Notification → SNS → SQS → Lambda
CEC2 Auto Scaling Group reading directly from S3
DCloudWatch Events polling S3 bucket for changes

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This question is from the AWS Cloud Services topic (Cloud Computing).

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