RabbitMQ কোন মেসেজিং প্যাটার্ন সমর্থন করে?

WORK QUEUE → distribute tasks among multiple WORKERS (competing consumers):
  → producer → queue → multiple consumers (each message to ONE worker) → parallel processing
  → for: distributing background work; scaling task processing

PUB/SUB → broadcast a message to MULTIPLE consumers (each gets a copy):
  → FANOUT exchange → every bound queue gets the message → all consumers receive it
  → for: broadcasting events to all interested parties (notifications, updates)