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CCNP Practice Question: Which two statements about telemetry subscription…
Which two statements about telemetry subscription types in model-driven telemetry are true? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
In a dial-out subscription, the network device pushes telemetry data to a configured collector.
Dial-in subscriptions are initiated by the collector connecting to the device, while dial-out subscriptions are initiated by the device pushing data to the collector. Periodic subscriptions stream data at fixed intervals, and on-change subscriptions stream data only when a value changes. Cadence is a property of periodic subscriptions, not on-change. Dial-out is more scalable for many devices because the device manages connections.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
In a dial-in subscription, the network device initiates the connection to the telemetry collector.
Why it's wrong here
Incorrect because in dial-in subscriptions, the collector initiates the connection to the device; the device acts as a server.
- ✓
In a dial-out subscription, the network device pushes telemetry data to a configured collector.
Why this is correct
Correct because dial-out subscriptions are device-initiated; the device connects to the collector and streams data.
- ✗
On-change subscriptions stream data at a regular, user-defined cadence.
Why it's wrong here
Incorrect because on-change subscriptions stream data only when a monitored value changes, not at a fixed cadence. Cadence is used by periodic subscriptions.
- ✓
Periodic subscriptions stream data at a fixed interval, which is defined by the sample-interval parameter.
Why this is correct
Correct because periodic subscriptions use a sample-interval (e.g., in milliseconds) to determine how often data is collected and streamed.
- ✗
Dial-out subscriptions are less scalable than dial-in subscriptions because each device must manage its own connections.
Why it's wrong here
Incorrect because dial-out is generally more scalable; the device pushes data to a collector, reducing the collector's burden of managing many inbound connections.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.