Link 11 operates in which mode?

Link 11 operates primarily in Roll Call Mode, which is a method used for data transmission where a designated unit (the controlling unit) actively queries each participant unit in a systematic sequence. This allows the controlling unit to manage the flow of information effectively and ensures that all units receive the necessary data in an orderly fashion. By polling each unit in turn, it minimizes the chances of data collisions and maximizes efficient communication within the network.

In Roll Call Mode, the controlling unit requests information from each participating unit, allowing for a structured exchange. This is particularly important in military operations, where timely and organized communication can significantly influence mission success.

The other modes mentioned serve different purposes. Polling Mode typically refers to a communication technique where a master device calls for data from slaves, similar to Roll Call but with distinctions in application. Broadcast Mode is characterized by a transmission method where all units receive the same data simultaneously, which is fundamentally different from the selective querying characteristic of Roll Call. Lastly, Asynchronous Mode generally refers to the timing of message transmission rather than the structured querying that Roll Call entails. Each mode has its specific applications and advantages, but for Link 11, Roll Call is the appropriate choice due to its designed operational methodology.