Q1 Service Bus Domain 3 · 20–25% of exam

A workflow requires that messages from a single session (e.g., all messages for one order) are processed in order by the same consumer. Which feature enables this?

  1. A Message deduplication
  2. B Partition key
  3. C Sessions (session-enabled queues/subscriptions) (correct answer)
  4. D Dead-letter queue

Shortcut: Service Bus sessions enable FIFO ordering for groups of related messages. All messages with the same SessionId are handled by a single consumer in the order they were sent.