This 200-301 practice question tests your understanding of ai and network operations. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. A key principle to apply: yANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format.. 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.
Which statement best describes YANG at a basic CCNA automation level?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It is a data-modeling language used to describe network configuration and state.
YANG is a data-modeling language used to describe network configuration and state in a structured way. In practical terms, it helps define how information should be represented for more programmatic and model-driven interaction with network devices. It is part of the broader shift toward structured automation.
The important thing at this level is to recognize YANG as a modeling concept, not as a transport protocol or a routing protocol.
Key principle: YANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
It is a data-modeling language used to describe network configuration and state.
Why this is correct
This is correct because YANG is about structured modeling of network information.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
YANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format.
✗
It is the secure transport protocol used instead of HTTPS.
Why it's wrong here
This is wrong because YANG is not a transport protocol.
When this WOULD be correct
If the exam question asked about secure transport protocols used for web services in networking, such as comparing HTTPS with other protocols, option B could be correct if it referred to a hypothetical secure transport protocol that replaces HTTPS.
✗
It is the BGP path-selection algorithm.
Why it's wrong here
This is wrong because YANG is not a routing algorithm.
When this WOULD be correct
If the exam question asked about BGP routing protocols and their components, specifically asking for details about path selection mechanisms, then option C would be the correct answer.
✗
It is the default CAPWAP discovery message.
Why it's wrong here
This is wrong because YANG is unrelated to CAPWAP discovery.
When this WOULD be correct
If the exam question specifically asked about protocols related to wireless access point management or CAPWAP functionality, then option D would be correct as it would pertain to the default discovery message used in CAPWAP communications.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The 200-301 exam frequently reuses these exact scenarios with slightly different constraints.
✓It is a data-modeling language used to describe network configuration and state.Correct answer▾
Why this is correct
This is correct because YANG is about structured modeling of network information.
✗It is the secure transport protocol used instead of HTTPS.Wrong answer — click to see why▾
Why this is wrong here
Option B is incorrect because YANG is not a transport protocol; it is specifically a data-modeling language used for network configuration and state representation.
★ When this WOULD be the correct answer
If the exam question asked about secure transport protocols used for web services in networking, such as comparing HTTPS with other protocols, option B could be correct if it referred to a hypothetical secure transport protocol that replaces HTTPS.
Why candidates choose this
Candidates might choose this option due to confusion between YANG's role in network management and the various protocols involved in secure data transmission, leading to a misinterpretation of the question's focus.
✗It is the BGP path-selection algorithm.Wrong answer — click to see why▾
Why this is wrong here
Option C is incorrect because it describes a specific algorithm used in BGP for determining the best path for routing, which is unrelated to YANG's purpose as a data-modeling language.
★ When this WOULD be the correct answer
If the exam question asked about BGP routing protocols and their components, specifically asking for details about path selection mechanisms, then option C would be the correct answer.
Why candidates choose this
Candidates may choose this option due to confusion between YANG and various networking protocols, especially if they have recently studied BGP and its functions, leading them to mistakenly associate YANG with routing algorithms.
✗It is the default CAPWAP discovery message.Wrong answer — click to see why▾
Why this is wrong here
Option D is incorrect because CAPWAP (Control and Provisioning of Wireless Access Points) discovery messages are not related to YANG, which is focused on data modeling for network configurations.
★ When this WOULD be the correct answer
If the exam question specifically asked about protocols related to wireless access point management or CAPWAP functionality, then option D would be correct as it would pertain to the default discovery message used in CAPWAP communications.
Why candidates choose this
Candidates might confuse YANG with network management protocols and standards, leading them to mistakenly associate CAPWAP discovery messages with data modeling concepts.
Analysis generated from the official 200-301blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
A frequent exam trap is mistaking YANG for a transport protocol or a routing algorithm because the question mentions network automation and programmability. Candidates might incorrectly select options related to secure transport protocols or routing processes, such as HTTPS or BGP, due to familiarity with these terms. However, YANG is neither a transport protocol nor a routing algorithm; it is a data modeling language that defines the structure of network configuration and state data. Misunderstanding this distinction can lead to incorrect answers, especially under time pressure.
Detailed technical explanation
How to think about this question
YANG is a data modeling language specifically designed to represent configuration and state data for network devices in a structured, hierarchical format. It enables network engineers and automation tools to define how network information is organized, making it easier to programmatically manage devices. YANG models describe the schema for network elements, including interfaces, routing protocols, and device parameters, which is essential for modern network programmability and automation.
In the context of CCNA-level automation, understanding YANG means recognizing it as the foundation for model-driven network management. Unlike protocols or transport mechanisms, YANG itself does not move data but defines the structure and semantics of the data exchanged. Network management protocols like NETCONF or RESTCONF use YANG models to validate and manipulate device configurations, ensuring consistency and automation accuracy.
A common exam trap is confusing YANG with transport protocols or routing algorithms. YANG is not a protocol like HTTPS or a routing process like BGP; it is a modeling language that underpins how configuration data is represented and manipulated. Practically, this means that when automating network tasks, YANG models provide the blueprint for what data can be configured or monitored, enabling tools to interact with devices in a standardized way.
KKey Concepts to Remember
YANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format.
Network automation tools use YANG models to validate and manipulate device configurations programmatically, enabling consistent and error-free management.
YANG itself is not a transport protocol but serves as the schema for data exchanged by protocols like NETCONF and RESTCONF.
Understanding YANG helps network engineers transition from manual CLI configuration to model-driven automation approaches.
YANG models describe network elements such as interfaces, routing protocols, and device parameters, facilitating interoperability across different vendors.
YANG’s structured approach allows automation systems to parse and generate configuration data reliably, reducing human error in network management.
Confusing YANG with routing algorithms or transport protocols is a common mistake; it strictly defines data structure, not data transmission or routing behavior.
YANG supports the shift toward software-defined networking by enabling programmability and automation through standardized data representations.
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
YANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this 200-301 question in full detail.
Review yANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format., then practise related 200-301 questions on the same topic to reinforce the concept.
AI and Network Operations — This question tests AI and Network Operations — YANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format..
What is the correct answer to this question?
The correct answer is: It is a data-modeling language used to describe network configuration and state. — YANG is a data-modeling language used to describe network configuration and state in a structured way. In practical terms, it helps define how information should be represented for more programmatic and model-driven interaction with network devices. It is part of the broader shift toward structured automation.
The important thing at this level is to recognize YANG as a modeling concept, not as a transport protocol or a routing protocol.
What should I do if I get this 200-301 question wrong?
Review yANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format., then practise related 200-301 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
YANG defines a standardized data model that describes network device configuration and operational state in a hierarchical and structured format.
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