An IoT application produces millions of telemetry events per second. Which Event Hubs tier is appropriate for this scale?

1. A Basic
2. B Standard
3. C Premium
4. ✓ D Dedicated (correct answer)

Shortcut: Event Hubs Dedicated provides isolated, single-tenant clusters with guaranteed capacity (Capacity Units), supporting millions of events/sec with 90-day retention and no throughput unit limits.