Emergency alerts should be published once while many departmental systems process them asynchronously. Which topic mechanism does that describe?
Select an answer to reveal the explanation.
Short Explanation
Pub/sub is the city PA system: say it once, and every department radio can pick it up on its own time. No need to call each desk in sequence.
Full Explanation
Kafka topics implement a publish/subscribe style where producers append once and many consumer groups read independently and asynchronously. That mechanism supports fan-out without coupling publishers to each subscriber's processing speed. It is central to event-driven civic ingestion designs.