A smart city environmental monitoring system deploys thousands of air-quality sensors. These sensors transmit telemetry data packets to a central cloud server through a mesh of interconnected gateway routers.
Describe three distinct operations performed by these gateway routers to facilitate the delivery of these telemetry packets.
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.