Which connector is southbound?
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A. B. C. D.C.
In the context of IoT and edge platforms, the terms northbound and southbound refer to the direction of communication between different layers or components of the architecture. Northbound communication typically refers to communication towards the cloud or application layer, while southbound communication refers to communication towards the edge or device layer.
Based on this definition, the southbound connector is the one that facilitates communication between the edge or device layer and the upper layers of the architecture. Therefore, option C, device connector, is the correct answer.
The device connector is responsible for collecting data from the edge devices, such as sensors or controllers, and sending it to the cloud or application layer for analysis and processing. It may also handle other tasks such as device management, security, and protocol translation.
Horizontal connector and universal connector are not specific terms in the context of IoT and edge platforms, so they are unlikely to be the correct answer. Cloud connector, on the other hand, refers to a northbound connector that enables communication between the edge layer and the cloud or application layer, so it is not the correct answer for this question.