What is the primary use case for Azure Event Hubs compared to Service Bus?
- A Point-to-point messaging with guaranteed order
- B High-throughput data stream ingestion (millions of events/sec) with retention for replay (correct answer)
- C Pub/sub with multiple independent subscribers
- D Request-reply messaging patterns
Shortcut: Event Hubs is designed for high-throughput telemetry and log streaming. It retains events for up to 90 days (Standard/Premium) for replay. Service Bus is for transactional messaging patterns.