Telemetry network model is divided into broad sense and narrow sense. What modules does narrow sense Telemetry (that is, device-level Telemetry) include? (Multiple choice)

Question

Options

• AData generation
• BData Subscription
• CData push
• DData source

• A
  100% (35)

Explanation

Narrow sense (device-level) Telemetry covers the complete data lifecycle within a network device, and all four modules represent distinct, necessary stages of that pipeline. Data source (D) is the origin point - the device's internal subsystems (interfaces, CPUs, etc.) that produce raw operational data. Data generation (A) is the process of collecting and structuring that raw data into telemetry records. Data subscription (B) is the mechanism by which a collector registers interest in specific data streams, triggering the device to prepare delivery. Data push (C) is the active transmission of that data to the subscriber, which is the defining characteristic of Telemetry over traditional polling-based models. Since all four are correct, there are no wrong distractors - the question tests whether you know that none of these stages can be omitted from the device-level model.

Memory tip: Think of the acronym SGSP - Source → Generate → Subscribe → Push - as the four-stage assembly line a device uses to deliver telemetry. If any stage is missing, data never reaches the collector.

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