An Azure Function must maintain a persistent TCP connection to Service Bus with guaranteed scale-out and no cold starts. Which hosting plan should you use?
- A Consumption
- B Premium (Elastic Premium) (correct answer)
- C Dedicated (Basic tier)
- D Container Apps Consumption
Shortcut: Premium Plan (EP1/EP2/EP3) provides pre-warmed instances (no cold start), VNet integration, unlimited execution duration, and persistent connections, while still scaling elastically.