Integration / ActiveMQ Interview Questions Basics
What is ActiveMQ?
Apache ActiveMQ is an open-source message broker written in Java that implements the JMS (Java Message Service) specification. It lets independent applications exchange data asynchronously by sending messages through queues or topics instead of calling each other directly.
Because the broker sits between producers and consumers, either side can go offline temporarily without losing messages, which decouples timing and scaling concerns. ActiveMQ supports multiple protocols (OpenWire, STOMP, MQTT, AMQP) and client languages, making it a common choice for enterprise integration, order-processing pipelines, and event-driven microservices where reliability and loose coupling matter more than raw throughput.
Which specification does ActiveMQ implement?
What is the main benefit of a broker sitting between producer and consumer?
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