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AZ-204 Practice Question: Event Hubs consumer groups for multiple…
This AZ-204 practice question tests your understanding of event hubs consumer groups for multiple…. 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 Hubs consumer groups. 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.
Three analytics pipelines each need to read every event from the same Azure Event Hub: one pipeline archives events to cold storage, one computes real-time aggregations, and one feeds a machine learning model. How should the developer configure Event Hubs to allow all three to consume independently without interfering with each other?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Create a separate consumer group for each pipeline; each group tracks its own offset independently
With three consumer groups, each pipeline reads the full stream from its own position. The archiving pipeline, aggregation pipeline, and ML pipeline each checkpoint independently. If one falls behind or restarts, it resumes from its own saved offset without disturbing the others.
B
Distractor review
Create three separate Event Hubs in the same namespace and replicate events between them with Event Hubs Capture
Event Hubs Capture writes events to Azure Storage or Data Lake in Avro format for cold archival — it is not a replication mechanism between Event Hubs. Creating three separate hubs with event replication would add latency, cost, and management overhead unnecessarily.
C
Distractor review
Use a single consumer group and route events to different pipelines by partition key prefix
A single consumer group allows only one active consumer per partition. If three pipelines share a consumer group, they must coordinate or one consumes events and the others miss them. Consumer groups, not partition key filtering, are the correct mechanism for multiple independent consumers.
D
Distractor review
Enable Event Hubs Capture for all three pipelines so they read from the captured Avro files in storage instead of the Event Hub directly
Capture is an archival feature. Reading from captured Avro files in storage introduces significant latency and requires the ML and aggregation pipelines to read flat files rather than a streaming endpoint. It defeats the real-time purpose of Event Hubs for those consumers.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Event Hubs consumer groups
- independent consumers
- checkpoint offset
- parallel event processing
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 Hubs consumer groups
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Event Hubs consumer groups
What is the correct answer to this question?
The correct answer is: Create a separate consumer group for each pipeline; each group tracks its own offset independently — Event Hubs uses consumer groups to provide independent views of the event stream. Each consumer group maintains its own checkpoint offset per partition, allowing multiple consumers to read at different speeds and positions without affecting each other. Each pipeline gets its own consumer group, reads from offset 0 (or its last checkpoint), and progresses independently. The default consumer group ($Default) counts as one of the allowed groups.
What should I do if I get this AZ-204 question wrong?
Review event Hubs consumer groups, then practise related AZ-204 questions on the same topic to reinforce the concept.
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