Question 294 of 997

AZ-204 Practice Question: Connect to and consume Azure services and third-party services

This AZ-204 practice question tests your understanding of connect to and consume azure services and third-party services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: event Grid is a fully managed event routing service for Azure resources and custom sources.. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A system receives high-volume event notifications from Azure resources and routes them to serverless handlers. Events are lightweight and should use native event routing. Which service should be used? The design must avoid adding custom operational scripts.

Question 1hardmultiple choice
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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

Azure Event Grid

Azure Event Grid is a fully managed event routing service that uses a publish-subscribe model to deliver lightweight, high-volume events from Azure resources to registered handlers like Azure Functions or webhooks. It supports native event routing without requiring custom polling scripts or infrastructure, making it ideal for serverless event-driven architectures.

Key principle: Event Grid is a fully managed event routing service for Azure resources and custom sources.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Azure DNS

    Why it's wrong here

    Azure DNS manages DNS zones and does not route application events.

  • Azure Event Grid

    Why this is correct

    Event Grid is designed for reactive event routing from Azure services and custom publishers.

    Related concept

    Event Grid is a fully managed event routing service for Azure resources and custom sources.

  • Azure Files

    Why it's wrong here

    Azure Files provides SMB/NFS shares, not event routing.

  • Azure Service Bus queue

    Why it's wrong here

    Service Bus is better for enterprise messaging with commands and durable queues.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse Azure Event Grid with Azure Service Bus, but Event Grid is designed for reactive event routing (push model) with no need for polling or custom scripts, whereas Service Bus is for message queuing with explicit consumer processing.

Trap categories for this question

  • Command / output trap

    Service Bus is better for enterprise messaging with commands and durable queues.

Detailed technical explanation

How to think about this question

Azure Event Grid uses HTTP-based webhook delivery with an at-least-once delivery guarantee and supports event filtering, retry policies, and dead-lettering. Under the hood, it leverages a distributed, multi-tenant event broker that can handle millions of events per second with sub-second latency, and it natively integrates with Azure resource providers to emit events automatically when resource state changes occur (e.g., blob created, VM started).

KKey Concepts to Remember

  • Event Grid is a fully managed event routing service for Azure resources and custom sources.
  • It uses a publish-subscribe model for event delivery.
  • Event Grid supports serverless handlers like Azure Functions and Logic Apps as subscribers.
  • It is optimized for high-volume, lightweight, and reactive event-driven architectures.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Event Grid is a fully managed event routing service for Azure resources and custom sources.

Real-world example

How this comes up in practice

A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Event Grid is a fully managed event routing service for Azure resources and custom sources. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.

What to study next

Got this wrong? Here's your next step.

Review event Grid is a fully managed event routing service for Azure resources and custom sources., then practise related AZ-204 questions on the same topic to reinforce the concept.

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FAQ

Questions learners often ask

What does this AZ-204 question test?

Connect to and consume Azure services and third-party services — This question tests Connect to and consume Azure services and third-party services — Event Grid is a fully managed event routing service for Azure resources and custom sources..

What is the correct answer to this question?

The correct answer is: Azure Event Grid — Azure Event Grid is a fully managed event routing service that uses a publish-subscribe model to deliver lightweight, high-volume events from Azure resources to registered handlers like Azure Functions or webhooks. It supports native event routing without requiring custom polling scripts or infrastructure, making it ideal for serverless event-driven architectures.

What should I do if I get this AZ-204 question wrong?

Review event Grid is a fully managed event routing service for Azure resources and custom sources., then practise related AZ-204 questions on the same topic to reinforce the concept.

What is the key concept behind this question?

Event Grid is a fully managed event routing service for Azure resources and custom sources.

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Last reviewed: Jun 11, 2026

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