What is the fundamental difference between Event Grid and Service Bus?
- A Event Grid is a pull-based queue; Service Bus is push-based
- B Event Grid pushes lightweight discrete event notifications; Service Bus is a broker for durable, ordered, transactional messages (correct answer)
- C They are interchangeable
- D Event Grid guarantees ordering
Shortcut: Event Grid is a reactive eventing service optimised for fan-out notification. Service Bus is enterprise messaging with sessions, transactions, dead-lettering, and ordering.