A client is moving to Model-Driven Telemetry and requires periodic updates. What must the network architect consider with this design?

Question

Options

• AUpdates that contain changes within the data are sent only when changes occur.
• BEmpty data subscriptions do not generate empty update notifications.
• CPeriodic updates include a full copy of the data that is subscribed to.
• DThe primary push update is sent immediately and cannot be delayed.

• A
  4% (1)
• B
  4% (1)
• C
  93% (26)

Explanation

Model-Driven Telemetry (MDT) supports two subscription types. Periodic (cadence-based) subscriptions send a complete snapshot of all subscribed data at every configured interval, regardless of whether the data has changed. This is fundamentally different from on-change subscriptions (option A), which transmit data only when a change is detected. Because periodic updates always include the full dataset, architects must plan for higher and predictable bandwidth consumption compared to on-change mode. Option B is incorrect - if no data exists, some implementations still send empty notifications. Option D is incorrect; periodic updates fire on the configured schedule, not immediately.

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