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Exam AWS Certified Data Engineer - Associate DEA-C01 topic 1 question 37 discussion

Exam question from Amazon's AWS Certified Data Engineer - Associate DEA-C01
Question #: 37
Topic #: 1
[All AWS Certified Data Engineer - Associate DEA-C01 Questions]

A data engineer must manage the ingestion of real-time streaming data into AWS. The data engineer wants to perform real-time analytics on the incoming streaming data by using time-based aggregations over a window of up to 30 minutes. The data engineer needs a solution that is highly fault tolerant.
Which solution will meet these requirements with the LEAST operational overhead?

  • A. Use an AWS Lambda function that includes both the business and the analytics logic to perform time-based aggregations over a window of up to 30 minutes for the data in Amazon Kinesis Data Streams.
  • B. Use Amazon Managed Service for Apache Flink (previously known as Amazon Kinesis Data Analytics) to analyze the data that might occasionally contain duplicates by using multiple types of aggregations.
  • C. Use an AWS Lambda function that includes both the business and the analytics logic to perform aggregations for a tumbling window of up to 30 minutes, based on the event timestamp.
  • D. Use Amazon Managed Service for Apache Flink (previously known as Amazon Kinesis Data Analytics) to analyze the data by using multiple types of aggregations to perform time-based analytics over a window of up to 30 minutes.
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Suggested Answer: D 🗳️
by rralucard_ at Feb. 3, 2024, 3:40 p.m.
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rralucard_
Highly Voted 1 year ago
Selected Answer: D
D. Amazon Managed Service for Apache Flink for Time-Based Analytics over 30 Minutes: This option correctly identifies the use of Amazon Managed Service for Apache Flink for performing time-based analytics over a window of up to 30 minutes. Apache Flink is adept at handling such scenarios, providing capabilities for complex event processing, time-windowed aggregations, and maintaining state over time. This option would offer high fault tolerance and minimal operational overhead due to the managed nature of the service.
upvoted 5 times
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div_div
Most Recent 2 weeks ago
Selected Answer: D
Lambda can not be used because it max processing limit of time is 15 min and remaining two option related to flink and using flink we can perfrom time-series and window size aggregation
upvoted 1 times
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Linuslin
6 months, 2 weeks ago
This link is not AWS documents but I think you guys can take a look. https://amandeep-singh-johar.medium.com/real-time-stream-processing-with-apache-flink-153992840f16
upvoted 2 times
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Just_Ninja
8 months, 3 weeks ago
Selected Answer: D
Show the Docs
upvoted 2 times
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DevoteamAnalytix
9 months ago
Selected Answer: D
https://docs.aws.amazon.com/managed-flink/latest/java/how-operators.html#how-operators-agg
upvoted 1 times
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harrura
10 months, 1 week ago
this is crazy, the answers by bot are wrong, please don't rely on them. please care to open discussions and look for reasoning
upvoted 2 times
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