An IoT Company Wants to Release a New Device That

question 68

Multiple Choice

An IoT company wants to release a new device that will collect data to track sleep overnight on an intelligent mattress. Sensors will send data that will be uploaded to an Amazon S3 bucket. About 2 MB of data is generated each night for each bed. Data must be processed and summarized for each user, and the results need to be available as soon as possible. Part of the process consists of time windowing and other functions. Based on tests with a Python script, every run will require about 1 GB of memory and will complete within a couple of minutes. Which solution will run the script in the MOST cost-effective way?

• A) AWS Lambda with a Python script
• B) AWS Glue with a Scala job
• C) Amazon EMR with an Apache Spark script
• D) AWS Glue with a PySpark job

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Definitions:

Visual Sketchpad

A component of working memory responsible for holding and manipulating visual and spatial information.

Working Memory

A cognitive system responsible for temporarily holding information available for processing, essential for reasoning and the guidance of decision-making and behavior.

Articulatory Loop

A component of the working memory model that deals with auditory information, allowing sounds and words to be retained in short-term memory through rehearsal.

Codes

In the context of data, codes represent rules or systems used for transforming information into a confidential, encrypted, or shorthand format.