AZ-220: Microsoft Azure IOT Developer Technologies Introduction

AZ-220: Microsoft Azure IOT Developer




Technology Workbook





















Document Control



Proposal Name


Microsoft Azure IoT Developer

Document Version


Version 1

Document Release Date


March 31th 2021









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Nouman Ahmed Khan

AWS-Architect, CCDE, CCIEX5 (R&S, SP, Security, DC, Wireless), CISSP, CISA, CISM, Nouman Ahmed Khan is a Solution Architect working with a major telecommunication provider in Qatar. He works with enterprises, mega-projects, and service providers to help them select the best-fit technology solutions. He also works as a consultant to understand customer business processes and helps select an appropriate technology strategy to support business goals. He has more than fourteen years of experience working in Pakistan/Middle-East & UK. He holds a Bachelor of Engineering Degree from NED University, Pakistan, and M.Sc. in Computer Networks from the UK.


Abubakar Saeed

Abubakar Saeed has more than twenty-five years of experience, managing, consulting, designing, and implementing large-scale technology projects, extensive experience heading ISP operations, solutions integration, heading Product Development, Pre-sales, and Solution Design. Emphasizing on adhering to Project timelines and delivering as per customer expectations, he always leads the project in the right direction with his innovative ideas and excellent management skills.


Uzair Ahmed

Uzair Ahmed is a computer science graduate working professionally as a product manager. He started his carrier as a technical content developer. He has been a part of a team of professionals operating in implementation of SIEM. He holds a Bachelor’s Degree in Computer Sciences from PAF-KIET, Pakistan. He has completed training of AWS Solutions Architect and CCNA. He has both the technical knowledge and industry sounding information and has done international cloud based projects. He previously worked as professional developer and obtained a good experience in software and backend development.





Syed Hanif Wasti  

Syed Hanif Wasti is a Computer Science graduate working professionally as a Technical Content Developer. He is a part of a team of professionals operating in the E-learning and digital education sector. He holds a Bachelor’s Degree in Computer Sciences from PAF-KIET, Pakistan. He has completed training of MCP and CCNA. He has both the technical knowledge and industry sounding information, which he uses efficiently in his career. He previously worked as a Database and Network administrator and obtained a good experience in software development.



Mehwish Jawed

Mehwish Jawed is working as a Technical Content Developer. She holds a Master’s and Bachelor’s of Engineering degree in Telecommunication Engineering from NED University of Engineering and Technology. She also worked under the supervision of Dr.Rizwan Aslam Butt, HEC Approved PhD. Supervisor and a Gold Medallist from UTM, Malaysia. She has more than three published papers including both conference and journal papers. She has a great knowledge of TWDM Passive Optical Network (PON). She also worked as a project Engineer and Robotic Trainer in private institute. She is working in the research field of renewable energy. She has both the technical knowledge and industry sounding information, which she utilizes effectively when needed.


Rameen Anwar

Rameen Anwar, a prospering educationist who is also currently doing a masters in Computer Networks and Information Security.

She works as a Technical Content Writer and also as a faculty member at a private engineering school, teaching students of Computer Science and Computer Engineering. She holds a bachelor’s degree in the same field and has a sound knowledge of Networking, Machine Learning, IoT, SQL, Computers, Network Security, development Platform and also knows multiple programming languages.

Not only that, but she also has industry experties in IoT, Image Processing, Machine Learning and also in cloud platforms, as in Google Cloud and Microsoft Azure.






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Content at a glance


CHAPTER 01: Introduction to Azure IOT


CHAPTER 03: IOT Devices in Azure

CHAPTER 04: Device Management Using IOT Hub

CHAPTER 05: Device Provisioning Service and IOT Edge

CHAPTER 06: Azure IOT Device Life Cycles

CHAPTER 07: Securely Connect IOT Device to Cloud




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Table of Contents

CHAPTER 01: Introduction to Azure IOT


About Training Architect

What is IOT



Cloud-Based IOT Back-end

Introduction to Azure IOT

Azure IOT Architecture

The Promise of IOT


Mind Map

Practice Question



When to Use IOT Hub

IOT Hub Tiers and Scaling:

Free Tier

Basic Tier

Standard Tier

Azure Security Center

CHAPTER 03: IOT Devices in Azure


What are Devices?


Devices – The “Things” in the Internet of Things

Register a Device in Azure IOT Hub

Azure Portal

Azure CLI


Microsoft Raspberry Pi Simulator

Lab 3-01: Explore the Azure IOT Hub and register a device

X.509 Certificates for Devices


Using X.509 Certificate for IOT Hub Authentication

Lab 3-02: Using X.509 Certificate for IOT Hub

Symmetric Keys

Symmetric Keys and Security Tokens

Lab 3-03: Explore Symmetric Keys

Authentication: Which Method to Choose?


The “Correct” Authentication Method

Registering a device with Azure IOT Hub

Lab 3-04: Registering a Device with Azure IOT Hub

Practice Questions

CHAPTER 04: Device Management Using IOT Hub

The IOT Hub Device Registry

Device Twins

IOT Hub Jobs and Direct Methods

Direct Methods



IOT Hub Jobs

Automatic Device Management

Managing the devices from Azure Portal

Automatic Device Management with Device Twin Azure

Mind Map

Practice Question

CHAPTER 05: Device Provisioning Service and IOT Edge


Device Provisioning Service Overview


Device Provisioning

Lab 5-01: Create an Azure Device Provisioing Service

Managing DPS Settings

Quick Start

Shared Access Policies

Linked IOT Hubs


Manage Enrollments

Manage Allocation Policy


Lab 5-02: Explore the Manage DPS Settings

Device Enrollments


Ways to enroll a device

Lab 5-03: Enrolling a device

Attestation Mechanisms

Symmetric Key Attestation

X.509 Attestation

Trusted Platform Module (TPM) Attestation

Lab 5-04: Explore the types of Attestation Mechanism

Allocation Policies

Hub Allocation

Device-Specific Criteria

Lab 5-05: Explore the Allocation Policies

Working with IOT Device Provisioning Service


Lab 5-06: Working with Azure IOT Device Provisioning Service

Introduction to IOT Edge

Azure IOT Edge

Working of IOT Edge

When to Use IOT Edge

Deploying a Pre-built Module to the Edge Device

Lab 5-07: Deploy a pre-built module to an IOT Edge device

Practice Questions

CHAPTER 06: Azure IOT Device Life Cycles

Device Provisioning (Auto-Enrollment)

Disenroll a Device

Deprovisioning an Auto-Enrollment

Provision Simulated Devices with Azure IOT and DPS

Mind Map

Practice Question

CHAPTER 07: Securely Connect IOT Device to Cloud

Managing IOT Hub as Admin

Introduction to IOT

Flatten the IOT Learning Curve

Raspberry Pi Device

Introduction to Raspberry Pi Device Simulator

Lab 01: Set up the IOT Hub, register, and then run a device

Administer the IOT Hub

Exploring the IOT Hub Menu







Automatically Provision IOT Devices Securely

Introduction to X.509 Certificates

Signing of Certificates

Root Certificates

Intermediate Certificates

Leaf Certificates

Individual and Group Enrollments

Proof of Possession

Another Security Standard (HSM)

Lab 02: Automatically provision IOT devices securely

Identify Anomalies by Routing Data

Simulating a Vibration Sensor Device

Lab 03: Identify Anomalies by routing data via IOT hub to build-in ML model

Remotely Monitor Devices with Azure IOT Hub


Direct Method

Device Twin

Query Device Twins

Lab 04: Remotely monitor devices with IOT Hub




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About Microsoft Azure IoT Developer AZ-220



Exam Questions

Case study, short answer, repeated answer, MCQs

Number of Questions


Time to Complete

120 minutes

Exam Fee

165 USD


English, Japanese, Chinese (Simplified), Korean


The AZ-220 This exam measures your ability to implement the IoT solution infrastructure; provision and manage devices; implement solutions on Azure IoT Edge devices; process and manage data; monitor, troubleshoot, and optimize IoT solutions; and implement security:

      Implement the IoT solution infrastructure (15-20%)

      Provision and manage devices (20-25%)

      Implement Edge (15-20%)

      Process and manage data (15-20%)

      Monitor, troubleshoot, and optimize IoT solutions (15-20%)

      Implement security (15-20%)


Recommended Knowledge 

  • Configure security for service principals
  • Manage Azure AD directory groups
  • Manage Azure AD users
  • Configure password writeback
  • Configure authentication methods including password hash and Pass Through Authentication (PTA), OAuth, and passwordless
  • Transfer Azure subscriptions between Azure AD tenants
  • Secure the connectivity of virtual networks (VPN authentication, Express Route encryption)
  • Configure Network Security Groups (NSGs) and Application Security Groups (ASGs)
  • Create and configure Azure Firewall
  • Implement Azure Firewall Manager
  • Configure Azure Front Door service as an Application Gateway
  • Configure a Web Application Firewall (WAF) on Azure Application Gateway 
  • Configure Azure Bastion
  • Configure a firewall on a storage account, Azure SQL, KeyVault, or App Service
  • Implement Service Endpoints
  • Implement DDoS protection etc.

All the required information is included in this technology workbook.




Domain 1

Implement the IoT solution infrastructure

Domain 2

Provision and manage devices

Domain 3

Implement Edge

Domain 4

Process and manage data

Domain 5

Monitor, troubleshoot, and optimize IoT solutions

Domain 6

Implement security


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