A solar-powered IoT sensor node in an apple orchard uploads hourly environmental telemetry data (soil moisture and ambient temperature) to a cloud-based management dashboard. This interaction relies on a client-server network model.
Identify which device/system acts as the server in this interaction and justify your choice.
54 exam-style questions on OCR GCSE Computer Science Wired and wireless networks, protocols and layers. Each one has a worked solution and a mark scheme showing where the marks go.