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Exam AWS Certified Machine Learning - Specialty All Questions

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Exam AWS Certified Machine Learning - Specialty topic 1 question 184 discussion

An energy company has wind turbines, weather stations, and solar panels that generate telemetry data. The company wants to perform predictive maintenance on these devices. The devices are in various locations and have unstable internet connectivity.
A team of data scientists is using the telemetry data to perform machine learning (ML) to conduct anomaly detection and predict maintenance before the devices start to deteriorate. The team needs a scalable, secure, high-velocity data ingestion mechanism. The team has decided to use Amazon S3 as the data storage location.
Which approach meets these requirements?

  • A. Ingest the data by using an HTTP API call to a web server that is hosted on Amazon EC2. Set up EC2 instances in an Auto Scaling configuration behind an Elastic Load Balancer to load the data into Amazon S3.
  • B. Ingest the data over Message Queuing Telemetry Transport (MQTT) to AWS IoT Core. Set up a rule in AWS IoT Core to use Amazon Kinesis Data Firehose to send data to an Amazon Kinesis data stream that is configured to write to an S3 bucket.
  • C. Ingest the data over Message Queuing Telemetry Transport (MQTT) to AWS IoT Core. Set up a rule in AWS IoT Core to direct all MQTT data to an Amazon Kinesis Data Firehose delivery stream that is configured to write to an S3 bucket.
  • D. Ingest the data over Message Queuing Telemetry Transport (MQTT) to Amazon Kinesis data stream that is configured to write to an S3 bucket.
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Suggested Answer: C 🗳️

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Chosen Answer:
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siju13
Highly Voted 2 years ago
Selected Answer: C
Answer is C. B, D wrong because Kinesis data stream cannot write to S3 directly.
upvoted 13 times
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edvardo
Highly Voted 2 years ago
A. Not enough. C. Correct. Check https://docs.aws.amazon.com/firehose/latest/dev/writing-with-iot.html B, D: Wrong. KDS doesn't write directly to S3
upvoted 7 times
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loict
Most Recent 8 months, 1 week ago
Selected Answer: C
A. NO - HTTP is not best protocol for IoT B. NO - No need to buffer write from Firehose to S3 with Kinesis/Kafka in the middle C. YES - Firehose is a good connector MQTT to S3 D. NO - Kinesis/Kafka cannot intake MQTT out-of-the-box, Firehose is the right connector
upvoted 1 times
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Mickey321
8 months, 3 weeks ago
Selected Answer: C
Answer is C
upvoted 1 times
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blanco750
1 year, 1 month ago
Selected Answer: C
C is sorrect
upvoted 2 times
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