Try Microsoft : AZ-220 valid & accurate questions and answers
Last Updated: Nov 02, 2026
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Microsoft powers a huge share of enterprise IT, which is exactly why its certifications open doors. The AZ-220 exam is your entry ticket, and Exams-boost gets you ready with 205 practice questions for the Microsoft Azure IoT Developer exam, verified by seasoned experts.
Microsoft AZ-220 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Microsoft Azure IoT Developer |
| Exam Number: | AZ-220 |
| Related Certifications: | Microsoft Certified: Azure IoT Developer Specialty |
| Passing Score: | 700 |
| Available Languages: | Korean, Japanese, Chinese (Simplified), English |
| Exam Price: | 165 USD |
| Exam Format: | Multiple Answer, Multiple Choice, Scenario-Based Questions |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 40–60 |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based testing at Pearson VUE centers and online proctoring. |
| Pre Condition: | Recommended development experience and knowledge of Azure services; familiarity with IoT concepts and Azure IoT SDK-supported languages such as C#, Node.js, or Python. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/exams/az-220/ |
Microsoft AZ-220 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Process and manage data | 10–15% | - Message routing and stream processing
|
| Set up the Azure IoT Hub solution infrastructure | 15–20% | - Create and configure an IoT hub
|
| Implement business integration | 5–10% | - Integration with services
|
| Provision and manage devices | 15–20% | - Device provisioning service (DPS)
|
| Implement security | 10–15% | - Security implementation
|
| Monitor, troubleshoot, and optimize IoT solutions | 10–15% | - Solution monitoring
|
| Implement IoT Edge | 20–25% | - IoT Edge setup and deployment
|
Everything You Wanted to Ask About the Microsoft Azure IoT Developer Exam
The Microsoft Azure IoT Developer exam spans 7 domains, and they are not weighted equally. The top areas are Implement security — 10–15%, Set up the Azure IoT Hub solution infrastructure — 15–20%, Provision and manage devices — 15–20%. Budget your study hours to match those weights; the full domain list is in the outline section further up this page.
The AZ-220 exam is Microsoft's official certification test, and passing it earns the Microsoft Certified: Azure IoT Developer Specialty credential at the Specialty level. In career terms, it is verified proof of skill — the kind that moves you up the shortlist when your company works with Microsoft technologies, or when you apply to one that does. The same track also includes Microsoft Certified: Azure IoT Developer Specialty, so this exam can anchor a longer certification plan.
You pass the Microsoft Azure IoT Developer exam at 700, and each attempt costs 165 USD — fail, and that fee is due again in full for the retake. Treat mock exams as insurance: keep practicing with Exams-boost until your scores sit comfortably above 700 twice in a row, then schedule the real AZ-220 exam.
Please do. Exams-boost offers a free demo download for the Microsoft Azure IoT Developer exam — grab it from the product page or leave your email and we will send it over. Purchases come with 365 days of free updates; after that year, extending the update service costs 50% of the original price in your member zone.
The Microsoft Azure IoT Developer exam packs 40–60 questions into 120 minutes. That ratio leaves almost no room for stalling, so time management is a trained skill, not luck. Our suggestion: rehearse full-length timed sessions in the Exams-boost engine, learn to park a question and return later, and walk into the AZ-220 exam with a pacing plan already rehearsed.
Recommended development experience and knowledge of Azure services; familiarity with IoT concepts and Azure IoT SDK-supported languages such as C#, Node.js, or Python. Since Microsoft revises these rules from time to time, confirm the current prerequisites on the official exam page (https://learn.microsoft.com/en-us/credentials/exams/az-220/) before booking your Microsoft Azure IoT Developer exam.
Delivery is effectively instant: your AZ-220 download link is emailed within one minute of payment, with no cap on how many computers you install it on. If the email has not shown up within 2 hours, check spam and contact our 7x24 support — we reply quickly and resend immediately. If you fail the Microsoft Azure IoT Developer exam itself, the refund policy applies when you took the corresponding exam within 60 days of purchase: submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund is processed within 7 days. Not covered: attempts within 3 days of purchase, exams never actually taken, free materials, and expired orders — and the candidate name must match the payer name. Prefer material over money? Exchange for two free exam products of equal value and keep the update service on your original purchase.
Microsoft Azure IoT Developer Sample Questions:
You have 1,000 devices that connect to an Azure IoT hub.
You are performing a scheduled check of deployed IoT devices. You plan to run the following command from the Azure CLI prompt.
az iot hub query --hub-name hub1 --query-command "SELECT * FROM devices WHERE connectionState = 'Disconnected'" What does the command return?
- A. the device twins
- B. the Connections logs
- C. the Device Disconnected events
- D. the device credentials
Correct Answer: C 🗳️
Explanation: Only visible for Exams-boost members. You can sign-up / login (it's free).
You have an Azure IoT solution that includes an Azure IoT hub and 100 Azure IoT Edge devices.
You plan to deploy the IoT Edge devices to external networks. The firewalls of the external networks only allow traffic on port 80 and port 443.
You need to ensure that the devices can connect to the IoT hub. The solution must minimize costs. What should you do?
- A. Configure the devices to use an HTTPS proxy.
- B. Configure the upstream protocol of the devices to use MQTT over WebSocket.
- C. Connect the external networks to the IoT solution by using ExpressRoute.
- D. Configure the devices for extended offline operations.
Correct Answer: B 🗳️
Explanation: Only visible for Exams-boost members. You can sign-up / login (it's free).
You have an Azure subscription that contains an Azure loT hub named Hub1 and the IoT devices shown in the following table.
You have the automatic device configure rations shown in the following table.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Correct Answer:
You have an Azure IoT Central application.
You add an IoT device named Oven1 to the application. Oven1 uses an IoT Central template for industrial ovens.
You need to send an email to the managers group at your company as soon as the oven temperature falls below 400 degrees.
Which two actions should you perform? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.
- A. From IoT Central, create a telemetry rule for the template.
- B. Add a condition that has Time Aggregation set to Off.
- C. Add the Manager role to the IoT Central application.
- D. Create a SendGrid account in the same resource group as the IoT Central application.
- E. Add a condition that has Aggregation set to Minimum.
Correct Answer: A,B 🗳️
Explanation: Only visible for Exams-boost members. You can sign-up / login (it's free).
You need to add Time Series Insights to the solution to meet the pilot requirements.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.
Correct Answer:
1 - Provision Time Series Insights
2 - Route telemetry from IoT Hub to a custom event.
3 - Add a data access policy to Time Series Insights for the dashboard web app Reference:
https://docs.microsoft.com/en-us/azure/time-series-insights/time-series-insights-update-create-environment
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