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CCNP Practice Question: Consider the following telemetry configuration on…
Consider the following telemetry configuration on a Cisco IOS-XE device:
telemetry ietf subscription 600 encoding encode-kvgpb filter xpath /interfaces/interface/state stream yang-push update-policy on-change receiver ip address 10.1.1.1 50000 protocol grpc
What is a potential issue with this configuration?
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
✓
The filter XPath is too broad and may cause excessive CPU usage on frequent changes.
On-change subscriptions can generate high CPU load if the monitored data changes frequently, which may impact device performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The on-change policy will not work without a periodic fallback.
Why it's wrong here
On-change works independently; a periodic fallback is optional but not required.
- ✓
The filter XPath is too broad and may cause excessive CPU usage on frequent changes.
Why this is correct
A broad filter like /interfaces/interface/state can cause high CPU if many interfaces change state often.
- ✗
The receiver IP address must be on the same subnet as the device.
Why it's wrong here
The receiver can be anywhere reachable via IP routing.
- ✗
The encoding should be encode-xml for on-change subscriptions.
Why it's wrong here
encode-kvgpb is valid for any update policy.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 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 350-401 exam.