Google Cloud IoT concepts in IOT Protocols - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is Google Cloud IoT Core?

Google Cloud IoT Core is a fully managed service that allows you to securely connect, manage, and ingest data from globally dispersed devices.

beginner

What protocols does Google Cloud IoT Core support for device communication?

Google Cloud IoT Core supports MQTT and HTTP protocols for device communication.

intermediate

What is a 'registry' in Google Cloud IoT Core?

A registry is a container in Google Cloud IoT Core that groups devices and manages their configurations and credentials.

intermediate

How does Google Cloud IoT Core ensure secure device connections?

It uses device authentication with public/private key pairs or JSON Web Tokens (JWT) to ensure secure connections.

intermediate

What is the role of Cloud Pub/Sub in Google Cloud IoT architecture?

Cloud Pub/Sub acts as a messaging service that receives data from devices via IoT Core and routes it to other Google Cloud services for processing.

Which protocols are supported by Google Cloud IoT Core for device communication?

A TCP and UDP

B FTP and SMTP

C MQTT and HTTP

D SSH and Telnet

Google Cloud IoT Core supports MQTT and HTTP protocols for device communication.

What is the purpose of a device registry in Google Cloud IoT Core?

A To store device firmware

B To group devices and manage their credentials

C To host device web pages

D To provide device GPS location

A registry groups devices and manages their configurations and credentials.

How does Google Cloud IoT Core authenticate devices?

A Using public/private key pairs or JWT

B Using username and password only

C Using IP address filtering

D Using biometric data

Devices authenticate using public/private key pairs or JSON Web Tokens (JWT).

What role does Cloud Pub/Sub play in Google Cloud IoT?

A It provides device GPS tracking

B It stores device firmware

C It manages device credentials

D It routes device data to other services

Cloud Pub/Sub routes data from devices to other Google Cloud services.

Which of these is NOT a feature of Google Cloud IoT Core?

A Device firmware hosting

B Secure device connection

C Device management

D Data ingestion

Google Cloud IoT Core does not host device firmware; it manages devices and ingests data.

Explain how Google Cloud IoT Core manages device security and authentication.

Think about how devices prove their identity to the cloud.

Describe the data flow from a device to Google Cloud services using Google Cloud IoT Core.

Follow the path of data from device to cloud.