Question 1

You are designing an event-driven architecture for an e-commerce platform.

When a customer places an order, an 'OrderCreated' message is generated. This message must be processed by three independent downstream microservices: Inventory, Billing, and Shipping.

The system must guarantee that every message is delivered to all three services, even if one of the services is temporarily offline. The messages must be processed in the exact order they were received.

Which messaging service should you recommend?

Accepted Answer

Identify the service that supports 1:Many delivery (pub/sub), guaranteed delivery, and ordered processing.

Question 2

What mistakes do candidates make on this AZ-305 question?

Accepted Answer

Choosing Service Bus Queues. Queues are point-to-point (1:1). If Inventory reads the message from a Queue, Billing and Shipping will never see it.

How to approach this question

Full Answer

Common mistakes

Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 2

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