350-501 Automation and Assurance Practice Question
Which TWO are benefits of model-driven telemetry over SNMP polling?
⚠ Common exam trap
Cisco often tests the misconception that model-driven telemetry requires fewer credentials than SNMP, but in reality both methods need authentication, and telemetry may require additional subscription setup; the trap here is assuming that reduced polling overhead translates to reduced security overhead.
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
✓
Supports structured data models (YANG)
Model-driven telemetry uses structured data models defined in YANG, which provides a standardized, hierarchical representation of device state and configuration. This contrasts with SNMP polling, which relies on flat MIB variables and often requires complex parsing of unstructured data. YANG models enable consistent data retrieval across multivendor environments and simplify automation workflows.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Supports structured data models (YANG)
Why this is correct
YANG models provide structured, machine-readable data, enabling easier integration and automation.
- ✓
Reduces CPU usage on the device
Why this is correct
Telemetry pushes data, eliminating the need for repeated polling, thus reducing CPU load.
- ✗
Requires fewer credentials for access
Why it's wrong here
Both telemetry and SNMP require authentication; there is no reduction in credentials.
- ✗
Works with legacy devices without modification
Why it's wrong here
Legacy devices may not support model-driven telemetry, requiring upgrades or replacements.
- ✗
Uses XML exclusively
Why it's wrong here
Model-driven telemetry supports multiple encodings, including JSON, GPB, and XML, not exclusively XML.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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