AWS Certified Data Analytics Specialty 2021 - Hands-On! - Internet of Things (IoT) Components Deep Dive

The video tutorial provides an in-depth overview of AWS IoT services, including the Device Gateway, Message Broker, Thing Registry, Device Shadow, Rules Engine, and IoT Greengrass. It explains how these components facilitate secure and efficient communication between IoT devices and the AWS cloud, manage device states, and process data. The tutorial also covers authentication methods and the use of IoT policies for authorization.

What is the primary function of the IoT Device Gateway?

• To provide a secure entry point for IoT devices to connect to AWS

• To analyze data from IoT devices

• To store data from IoT devices

• To manage IoT device firmware updates

Which protocol is NOT supported by the IoT Device Gateway?

• HTTP 1.1

• FTP

• Websockets

• MQTT

What is the purpose of the Thing Registry in AWS IoT?

• To store IoT device data

• To organize and manage IoT devices and their metadata

• To update IoT device firmware

• To analyze IoT device data

Which method is NOT used for authenticating IoT devices with AWS?

• X509 certificates

• OAuth tokens

• Cognito identity

• IAM roles

What is a Device Shadow in AWS IoT?

• A tool for updating IoT device firmware

• A backup of IoT device data

• A JSON document representing the state of a device

• A security feature for IoT devices

Which AWS service is NOT mentioned as a destination for data from the Rules Engine?

• DynamoDB

• Redshift

• Kinesis

• S3

What capability does IoT Greengrass bring to local devices?

• Device firmware updates

• Data analysis

• Data storage

• Running Lambda functions