AWS Certified Data Analytics Specialty 2021 – Hands-On - IoT Components Deep Dive

The video tutorial provides an in-depth overview of AWS IoT services, including 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. The tutorial covers authentication methods, state management with Device Shadow, and the use of Rules Engine for data processing. Additionally, it introduces IoT Greengrass, which enables local data processing and offline operation.

What is the primary function of the Device Gateway in AWS IoT?

• To store data from IoT devices

• To manage IoT device identities

• To serve as the entry point for IoT devices connecting to AWS

• To provide analytics for IoT data

Which protocol is NOT supported by the AWS IoT Device Gateway?

• HTTP 1.1

• Websocket

• MQTT

• FTP

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

• To store IoT data

• To register and manage IoT devices

• To provide analytics for IoT data

• To execute Lambda functions on devices

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

• OAuth tokens

• IAM roles

• X509 certificates

• Cognito Identity

What is a Device Shadow in AWS IoT?

• A security feature for IoT devices

• A JSON document representing the state of a device

• A tool for monitoring IoT device performance

• A backup of IoT device data

How can IoT devices send data to AWS Kinesis?

• Directly using a put record

• Through an IoT topic with a defined rule action

• By storing data in S3 first

• Using a Lambda function

What is the purpose of IoT Greengrass?

• To bring compute capabilities to IoT devices

• To store IoT data in the cloud

• To manage IoT device identities

• To provide analytics for IoT data