You are developing an e-commerce solution that uses a microservice architecture.
You need to design a communication backplane for communicating transactional messages between various parts of the
solution. Messages must be communicated in first-in-first-out (FIFO) order.
What should you use?
A
Explanation:
As a solution architect/developer, you should consider using Service Bus queues when:
Your solution requires the queue to provide a guaranteed first-in-first-out (FIFO) ordered delivery. Reference:
https://docs.microsoft.com/en-us/azure/service-bus-messaging/service-bus-azure-and-service-bus-queues-compared-
contrasted
Answer is C. Azure Service Bus.
It is literally said on explanation.