- A
MIB files
Why wrong: MIBs are for SNMP, not YANG.
- B
IETF YANG models
Why wrong: IETF models exist but are less commonly used on IOS XE compared to OpenConfig.
- C
CLI commands
Why wrong: CLI is not model-driven programming.
- D
OpenConfig YANG models
Vendor-neutral models like oc-interfaces.
- E
Cisco native YANG models
Cisco-specific models like Cisco-IOS-XE-native.
Question 698 of 1,000
200-901 Cisco Platforms and Development Practice Question
This 200-901 practice question tests your understanding of cisco platforms and development. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network engineer wants to use model-driven programmability on IOS XE devices. Which two YANG model types are commonly used? (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
✓
OpenConfig YANG models
OpenConfig YANG models (Option D) are vendor-neutral, community-driven models that provide a consistent way to manage network devices across multiple vendors, including Cisco IOS XE. Cisco native YANG models (Option E) are Cisco-specific models that expose the full set of device features and are directly supported on IOS XE. Both are commonly used for model-driven programmability with NETCONF/RESTCONF.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
MIB files
Why it's wrong here
MIBs are for SNMP, not YANG.
- ✗
IETF YANG models
Why it's wrong here
IETF models exist but are less commonly used on IOS XE compared to OpenConfig.
- ✗
CLI commands
Why it's wrong here
CLI is not model-driven programming.
- ✓
OpenConfig YANG models
Why this is correct
Vendor-neutral models like oc-interfaces.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Cisco native YANG models
Why this is correct
Cisco-specific models like Cisco-IOS-XE-native.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between YANG model types (OpenConfig, IETF, Cisco native) and non-YANG concepts like MIBs or CLI, so candidates mistakenly select MIB files or CLI commands because they are familiar management tools, but they are not YANG models.
Detailed technical explanation
How to think about this question
YANG models define data structures for network configuration and state, and are transported via NETCONF (RFC 6241) or RESTCONF (RFC 8040). OpenConfig models focus on operational state and vendor neutrality, while Cisco native models offer deeper access to proprietary features like EEM or specific QoS policies. In real-world automation, engineers often combine both: using OpenConfig for multi-vendor consistency and Cisco native for platform-specific tuning.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 200-901 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Cisco Platforms and Development — study guide chapter
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FAQ
Questions learners often ask
What does this 200-901 question test?
Cisco Platforms and Development — This question tests Cisco Platforms and Development — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: OpenConfig YANG models — OpenConfig YANG models (Option D) are vendor-neutral, community-driven models that provide a consistent way to manage network devices across multiple vendors, including Cisco IOS XE. Cisco native YANG models (Option E) are Cisco-specific models that expose the full set of device features and are directly supported on IOS XE. Both are commonly used for model-driven programmability with NETCONF/RESTCONF.
What should I do if I get this 200-901 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
This 200-901 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 200-901 exam.
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