Which protocol does Event Hubs support that allows Kafka clients to connect without code changes?

1. A MQTT
2. ✓ B The Kafka protocol endpoint (correct answer)
3. C gRPC
4. D WebSockets only

Shortcut: Event Hubs exposes a Kafka-compatible endpoint on Standard tier and above, so existing Kafka producers and consumers can point at Event Hubs by changing configuration only.