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RAN-DBDEA-00018
Ranvier · DBDEA

Exam DBDEA Topics: ingestion Difficulty: hard

A team runs Auto Loader against Amazon S3 in classic file notification mode: they set cloudFiles.useNotifications to true and grant Auto Loader the permissions it needs to create cloud resources in the bucket. Which resources does Auto Loader create so that newly uploaded files are announced to the stream?

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  1. A. An AWS Lambda function that watches the bucket and writes new object keys to a DynamoDB table that Auto Loader polls
  2. B. An Amazon Kinesis Data Firehose delivery stream that receives ObjectCreated events and feeds them into an SQS queue
  3. C. An Amazon SNS topic subscribed to the bucket's object-created notifications, with an Amazon SQS queue that Auto Loader consumes
  4. D. An Azure Event Grid subscription and an Azure Queue Storage queue, which Databricks uses as its cross-cloud default
Reveal answer

Correct answer: An Amazon SNS topic subscribed to the bucket's object-created notifications, with an Amazon SQS queue that Auto Loader consumes

Reference: https://docs.databricks.com/aws/en/ingestion/cloud-object-storage/auto-loader/file-notification-mode

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Official Answer (C): An Amazon SNS topic subscribed to the bucket's object-created notifications, with an Amazon SQS queue that Auto Loader consumes

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