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AZ-204 Azure Service Bus topics Practice Question
An application publishes order events that multiple independent subscribers must process. Subscribers may be added later without changing the publisher. Which Azure messaging service should be used? The architecture review board prefers a managed Azure-native control.
⚠ Common exam trap
Candidates often confuse Azure Storage Queue (point-to-point) with Service Bus topics (pub-sub), failing to recognize that multiple independent subscribers require a topic-based pattern, not a queue.
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 Service Bus topic
Azure Service Bus topics support a publish-subscribe pattern where multiple independent subscribers can process the same message. Subscribers can be added later without modifying the publisher, and each subscriber receives its own copy of the message through subscriptions. This matches the requirement for order events that must be processed by multiple independent subscribers.
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 Blob Storage lifecycle policy
Why it's wrong here
Lifecycle policies manage blob storage, not event distribution.
- ✗
Azure Storage Queue
Why it's wrong here
Storage Queue is point-to-point queueing and does not natively provide multiple subscriptions.
- ✗
Azure Cache for Redis list only
Why it's wrong here
Redis lists are not the managed enterprise pub-sub messaging choice for this requirement.
- ✓
Azure Service Bus topic
Why this is correct
Service Bus topics support publish-subscribe messaging with independent subscriptions.
Go deeper
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Key term
Azure Service Bus
Azure Service Bus is a cloud-based message broker that allows applications, services, and devices to send and receive messages reliably, even when they are not all running at the same time.
Key term
Azure Relay
Azure Relay is a cloud service that securely exposes on-premises web services to the public internet or other cloud applications without opening firewall ports.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AZ-204 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 AZ-204 exam.