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: service Bus topics enable publish-subscribe messaging.. 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.
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 team wants the control to be enforceable during normal operations.
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 each receive a copy of every published message. Subscribers can be added later without modifying the publisher, and the team can enforce control during normal operations using topic-level authorization rules and subscription filters.
Key principle: Service Bus topics enable publish-subscribe messaging.
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.
Related concept
Service Bus topics enable publish-subscribe messaging.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Storage Queue (point-to-point) with Service Bus topics (pub/sub), missing the requirement for multiple independent subscribers that can be added later without changing the publisher.
Detailed technical explanation
How to think about this question
Azure Service Bus topics use a broker-based pub/sub model where each published message is forwarded to all subscriptions that have a matching filter (SQL-like filter expressions). Subscriptions are durable and can be managed independently, allowing subscribers to be added or removed without affecting the publisher. The service supports at-least-once delivery, dead-lettering, and session-based ordering, making it suitable for enterprise event-driven architectures.
KKey Concepts to Remember
Service Bus topics enable publish-subscribe messaging.
Each subscription on a topic receives a copy of published messages.
Subscribers can be added or removed without altering the publisher.
Service Bus provides enterprise-grade messaging with advanced features like filtering.
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
Service Bus topics enable publish-subscribe messaging.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
Connect to and consume Azure services and third-party services — This question tests Connect to and consume Azure services and third-party services — Service Bus topics enable publish-subscribe messaging..
What is the correct answer to this question?
The correct answer is: Azure Service Bus topic — Azure Service Bus topics support a publish/subscribe pattern where multiple independent subscribers can each receive a copy of every published message. Subscribers can be added later without modifying the publisher, and the team can enforce control during normal operations using topic-level authorization rules and subscription filters.
What should I do if I get this AZ-204 question wrong?
Review service Bus topics enable publish-subscribe messaging., then practise related AZ-204 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Service Bus topics enable publish-subscribe messaging.
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Question Discussion
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