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CCNP Practice Question: Which two statements about YANG data models in…
Which two statements about YANG data models 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
✓
YANG models are used to define the data structures streamed in telemetry subscriptions.
YANG models define the structure and constraints of telemetry data. Native models are vendor-specific, while OpenConfig models are standardized. IETF models are also standards-based but not vendor-specific. NETCONF uses YANG but is not a data model. RESTCONF is a protocol, not a model.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
YANG models are used to define the data structures streamed in telemetry subscriptions.
Why this is correct
Correct because YANG provides the schema for telemetry data, ensuring consistent encoding.
- ✓
OpenConfig YANG models are vendor-neutral and supported across multiple network operating systems.
Why this is correct
Correct because OpenConfig is an industry effort to create standard, vendor-agnostic models.
- ✗
Native YANG models are standardized by the IETF and used universally.
Why it's wrong here
Incorrect because native models are vendor-specific, not IETF standards.
- ✗
NETCONF is a YANG data model used for telemetry configuration.
Why it's wrong here
Incorrect because NETCONF is a protocol that uses YANG, not a data model itself.
- ✗
RESTCONF provides a YANG-based data model for streaming telemetry.
Why it's wrong here
Incorrect because RESTCONF is a RESTful protocol for YANG-driven APIs, not a data model.
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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.