CCNA Network Services and Security Practice Question
This 200-301 practice question tests your understanding of network services and security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. A key principle to apply: model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling.. 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 model-driven telemetry compared with traditional SNMP polling?
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 streams subscribed operational data from the device to a collector.
Model-driven telemetry streams selected operational data from the device to a collector, often at higher frequency and with less poll overhead than repeated SNMP queries. SNMP polling is still useful, but telemetry is designed for more efficient and near-real-time data collection at scale.
Key principle: Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling.
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 relies on repeatedly polling OIDs one by one from the collector.
Why it's wrong here
That describes traditional SNMP polling, not telemetry streaming.
When this WOULD be correct
In a different question context, if the question asked about traditional SNMP polling methods specifically, option A could be correct, as SNMP polling indeed involves querying OIDs individually to gather data from network devices.
✓
It streams subscribed operational data from the device to a collector.
Why this is correct
That is the core idea behind model-driven telemetry.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling.
✗
It can be used only when the device is managed through a console cable.
Why it's wrong here
Telemetry operates over network connectivity, not only console access.
When this WOULD be correct
If the exam question specified that model-driven telemetry is only applicable in a scenario where devices are directly connected via console cables for initial configuration, then option C could be correct. This would imply a very limited use case for model-driven telemetry that is not typical.
✗
It replaces the need for APIs and data models such as YANG.
Why it's wrong here
Telemetry commonly works with structured data models.
When this WOULD be correct
In a question asking whether model-driven telemetry can function without any APIs or data models, option D would be correct if the question specified a scenario where a device's telemetry is entirely independent of structured data definitions.
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 streams subscribed operational data from the device to a collector.Correct answer▾
Why this is correct
That is the core idea behind model-driven telemetry.
✗It relies on repeatedly polling OIDs one by one from the collector.Wrong answer — click to see why▾
Why this is wrong here
Option A is incorrect because model-driven telemetry does not rely on polling OIDs one by one; instead, it streams data continuously, which is a fundamental difference from traditional SNMP polling methods.
★ When this WOULD be the correct answer
In a different question context, if the question asked about traditional SNMP polling methods specifically, option A could be correct, as SNMP polling indeed involves querying OIDs individually to gather data from network devices.
Why candidates choose this
Candidates may find option A tempting because they might confuse model-driven telemetry with traditional polling methods, leading them to think that polling OIDs is a characteristic of both approaches.
✗It can be used only when the device is managed through a console cable.Wrong answer — click to see why▾
Why this is wrong here
This option is incorrect because model-driven telemetry does not require a console cable for management; it operates over network protocols, allowing for remote data streaming. Traditional SNMP polling can be done over the network without a direct console connection.
★ When this WOULD be the correct answer
If the exam question specified that model-driven telemetry is only applicable in a scenario where devices are directly connected via console cables for initial configuration, then option C could be correct. This would imply a very limited use case for model-driven telemetry that is not typical.
Why candidates choose this
Candidates may choose this option due to a misunderstanding of the operational requirements for model-driven telemetry, conflating it with traditional management methods that often involve console access for configuration.
✗It replaces the need for APIs and data models such as YANG.Wrong answer — click to see why▾
Why this is wrong here
Option D is incorrect because model-driven telemetry does not eliminate the need for APIs and data models like YANG; rather, it often utilizes them to define the structure of the data being streamed.
★ When this WOULD be the correct answer
In a question asking whether model-driven telemetry can function without any APIs or data models, option D would be correct if the question specified a scenario where a device's telemetry is entirely independent of structured data definitions.
Why candidates choose this
Candidates may find option D tempting because they might confuse model-driven telemetry's efficiency with a complete replacement of existing technologies, leading them to believe that it negates the need for APIs and data models.
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 model-driven telemetry for traditional SNMP polling, which involves repeatedly querying individual OIDs. This misunderstanding leads to selecting options that describe polling behavior rather than streaming. Another trap is believing telemetry requires console cable access, which is incorrect because telemetry streams data over network protocols. Candidates may also incorrectly think telemetry replaces APIs and data models like YANG, but in reality, telemetry depends on these models to structure data. Recognizing these distinctions is crucial to avoid selecting incorrect answers that describe legacy or unrelated methods.
Detailed technical explanation
How to think about this question
Model-driven telemetry is a modern network monitoring technique that continuously streams operational data from network devices to a collector without requiring repeated polling. Unlike traditional SNMP polling, which queries individual Object Identifiers (OIDs) at intervals, telemetry uses structured data models such as YANG to subscribe to specific data streams. This approach reduces network overhead and provides near real-time visibility into device performance and state, which is critical for proactive network management and troubleshooting in Cisco environments.
The decision to use model-driven telemetry over SNMP polling hinges on efficiency and scalability. Telemetry pushes data asynchronously based on subscriptions, eliminating the latency and resource consumption associated with polling each OID sequentially. Cisco devices supporting model-driven telemetry leverage protocols like gRPC or NETCONF to deliver data streams, enabling faster detection of network issues and more granular monitoring. This method aligns with automation and programmability trends in CCNA-level network operations.
A common exam trap is confusing telemetry streaming with traditional SNMP polling or assuming telemetry requires console access. Telemetry does not poll data repeatedly but streams it continuously, and it operates over network connections, not just console cables. Understanding this distinction helps avoid selecting incorrect answers that describe legacy or unrelated methods. Practically, telemetry enhances network visibility and reduces management complexity, making it a preferred method in modern Cisco network infrastructures.
KKey Concepts to Remember
Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling.
Traditional SNMP polling queries individual OIDs sequentially at intervals, which increases network overhead and latency compared to telemetry.
Telemetry uses structured data models like YANG to define and subscribe to specific data streams for efficient monitoring.
Cisco devices support telemetry protocols such as gRPC and NETCONF to deliver real-time data streams to collectors.
Telemetry operates over network connectivity and does not require direct console cable access to the device.
Model-driven telemetry enables near real-time network visibility, improving proactive troubleshooting and automation.
SNMP polling remains useful for legacy devices, but telemetry is preferred for scalable and efficient data collection in modern networks.
Confusing telemetry streaming with SNMP polling or console-only access is a common exam trap to avoid.
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
Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling.
Real-world example
How this comes up in practice
A practitioner preparing for the 200-301 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. Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
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 model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling., then practise related 200-301 questions on the same topic to reinforce the concept.
Network Services and Security — This question tests Network Services and Security — Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling..
What is the correct answer to this question?
The correct answer is: It streams subscribed operational data from the device to a collector. — Model-driven telemetry streams selected operational data from the device to a collector, often at higher frequency and with less poll overhead than repeated SNMP queries. SNMP polling is still useful, but telemetry is designed for more efficient and near-real-time data collection at scale.
What should I do if I get this 200-301 question wrong?
Review model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling., 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?
Model-driven telemetry streams subscribed operational data continuously from network devices to a collector, reducing the need for repeated polling.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
This 200-301 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 200-301 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.