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Which is the core wrapper of GSN?(a) Serial(b) UDP(c) GPSTest(d) ZeroMQWrapperI got this question in unit test.This intriguing question originated from Open IoT Architecture in section IoT Ecosystem Concepts and Architecture of IOT

Answer»

Right CHOICE is (d) ZeroMQWrapper

Easiest explanation: WRAPPERS are classified as remote and local wrappers in GSN. Unlike them, the ZeroMQWrapper is a core wrapper which allows for publishing stream ELEMENTS that are produced by a Virtual SENSOR.



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