Integration / RabbitMQ Interview Questions
What is a message broker?
A message broker is middleware that sits between applications and manages the exchange of messages between them, so the sender and receiver never talk to each other directly.
It typically takes care of routing, temporary storage, delivery guarantees, and protocol translation, which removes the need for each application to know about the others.
- Producer sends a message to the broker.
- Broker stores and routes it according to configured rules.
- Consumer receives it whenever it is ready.
RabbitMQ, Apache Kafka, and ActiveMQ are common examples, each with a different internal model.
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