Crucial Exams

AWS Certified Data Engineer Associate DEA-C01 Practice Question

A company ingests high-frequency IoT sensor readings and must land them in Amazon S3 in under 30 seconds. Operations teams also need the ability to replay any portion of the incoming stream if a downstream transformation job fails. Which solution meets these requirements while keeping operational overhead to a minimum?

  • Use an AWS IoT Core rule to write the sensor messages directly to an S3 bucket with the "Customer managed" retry option enabled.

  • Send the data to Amazon Kinesis Data Streams with a 24-hour retention period, add an Amazon Kinesis Data Firehose delivery stream as a consumer, and configure Firehose buffering to 1 MiB or 10 seconds before writing to Amazon S3.

  • Create a direct Amazon Kinesis Data Firehose delivery stream and reduce the S3 buffering size to 1 MiB and interval to 10 seconds.

  • Deploy an Apache Kafka cluster on Amazon EC2, configure a topic for the sensors, and use a Kafka Connect S3 sink to write data to Amazon S3 every 10 seconds.

AWS Certified Data Engineer Associate DEA-C01
Data Ingestion and Transformation
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