AI-200 Event Driven Integration Practice Question
Your organization uses Azure Event Grid namespaces for MQTT client messaging in an industrial IoT scenario. Which authentication method should you configure for IoT devices connecting directly to the Event Grid namespace MQTT broker?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
X.509 client certificates
Event Grid MQTT broker supports client authentication using X.509 client certificates with certificate thumbprint matching or CA certificate chains.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SQL Database connection strings
Why it's wrong here
SQL connection strings are not used for MQTT protocol device connections.
- ✗
Anonymous access with IP restriction headers
Why it's wrong here
Anonymous access is not recommended or standard for secure enterprise IoT MQTT communication.
- ✗
OAuth 2.0 client credentials grant via Service Bus endpoints
Why it's wrong here
Service Bus endpoints are distinct from Event Grid MQTT broker endpoints.
- ✓
X.509 client certificates
Why this is correct
Event Grid MQTT brokers natively support secure device authentication using X.509 certificates.
About these practice questions
This AI-200 question is part of Courseiva's 503-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Microsoft exam blueprint
This AI-200 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AI-200 exam.