A network operator is troubleshooting a telemetry issue. They have an on-change subscription to /interfaces/interface/state/oper-status, but they are not receiving updates when an interface goes down. Which is the most likely cause?

The interface is not in the OpenConfig model

The device does not support on-change subscriptions for operational state

The subscription interval is set too high

When using OpenConfig models via gRPC to configure a device, what is the typical method to set an operational parameter?

Send a gRPC request with the desired configuration in the OpenConfig data structure

Edit the device's local configuration file directly

Use a CLI command generated from the OpenConfig model

What is the role of gRPC in streaming telemetry with OpenConfig?

gRPC provides the data models for telemetry

gRPC acts as the transport protocol for streaming telemetry data

gRPC is a visualization tool for telemetry data

gRPC is a database for storing telemetry data

What does the 'sample interval' in OpenConfig telemetry specify?

The maximum size of telemetry messages

The number of subscriptions allowed

The time to wait before starting telemetry

The time between periodic telemetry updates

Juniper NetworksCertified Specialist, Automation and DevOps (JNCIS-DevOps)

Domain 2Objective 3

OpenConfig JN0-423 Practice Questions (Page 1)

Part of the gRPC domain, which makes up ~29% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~10–17 in this domain), expect 2–3 from this objective — we provide 12 practice questions to prepare you well beyond it. (estimate)

12questions here

3free pages

5concepts

Questions 1–5

1expert · hard
A network operator is troubleshooting a telemetry issue. They have an on-change subscription to /interfaces/interface/state/oper-status, but they are not receiving updates when an interface goes down. Which is the most likely cause?
Select an answer first
2foundation · easy
In an OpenConfig YANG data model, which component is used to group related leaves and other containers?
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3foundation · easy
When using OpenConfig models via gRPC to configure a device, what is the typical method to set an operational parameter?
Select an answer first
4foundation · easy
What is the role of gRPC in streaming telemetry with OpenConfig?
Select an answer first
5foundation · easy
What does the 'sample interval' in OpenConfig telemetry specify?
Select an answer first

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