Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Which statement best describes model-driven telemetry compared with traditional SNMP polling?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
It relies on repeatedly polling OIDs one by one from the collector.
That describes traditional SNMP polling, not telemetry streaming.
B
Best answer
It streams subscribed operational data from the device to a collector.
That is the core idea behind model-driven telemetry.
C
Distractor review
It can be used only when the device is managed through a console cable.
Telemetry operates over network connectivity, not only console access.
D
Distractor review
It replaces the need for APIs and data models such as YANG.
Telemetry commonly works with structured data models.
Common exam trap
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.
Technical deep dive
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.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
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?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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