1 / 5
In edge computing, 'edge node' refers to:
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An edge node is infrastructure deployed at or near the source of data (device, factory, cell tower) rather than in a centralised cloud.
2 / 5
What distinguishes 'fog computing' from traditional edge computing?
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Fog computing introduces a mid-tier layer between IoT devices and the central cloud, enabling local aggregation and processing before cloud upload.
3 / 5
A CDN edge function runs:
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CDN edge functions (like Cloudflare Workers) execute at CDN points of presence globally, minimising latency by running compute near the user.
4 / 5
Which term describes the maximum acceptable delay for a real-time system?
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A latency budget is the maximum end-to-end delay a system can tolerate while still meeting its real-time or user experience requirements.
5 / 5
'Offline-first' architecture for edge devices means:
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Offline-first design treats disconnected operation as the default, ensuring devices function fully and sync data when connectivity returns.