MLS-C01 · Question #48
MLS-C01 Question #48: Real Exam Question with Answer & Explanation
The correct answer is D: Insert an Amazon Kinesis Data Analytics stream downstream of the Kinesis Data Firehose stream. In some scenarios, you may need to enhance your streaming data with additional information, before you perform your SQL analysis. Kinesis Analytics gives you the ability to use data from Amazon S3 in your Kinesis Analytics application, using the Reference Data feature. However, y
Question
A retail chain has been ingesting purchasing records from its network of 20,000 stores to Amazon S3 using Amazon Kinesis Data Firehose. To support training an improved machine learning model, training records will require new but simple transformations, and some attributes will be combined. The model needs to be retrained daily. Given the large number of stores and the legacy data ingestion, which change will require the LEAST amount of development effort?
Options
- ARequire that the stores to switch to capturing their data locally on AWS Storage Gateway for
- BDeploy an Amazon EMR cluster running Apache Spark with the transformation logic, and have
- CSpin up a fleet of Amazon EC2 instances with the transformation logic, have them transform the
- DInsert an Amazon Kinesis Data Analytics stream downstream of the Kinesis Data Firehose stream
Explanation
In some scenarios, you may need to enhance your streaming data with additional information, before you perform your SQL analysis. Kinesis Analytics gives you the ability to use data from Amazon S3 in your Kinesis Analytics application, using the Reference Data feature. However, you cannot use other data sources from within your SQL query. https://aws.amazon.com/blogs/big-data/preprocessing-data-in-amazon-kinesis-analytics-with-
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