Examen: Automation and DevOps, Specialist (JNCIS-DevOps) (JN0-423)

The Automation and DevOps Track track enables you to demonstrate competency in common scripting languages and tools for automating device and network functions. JNCIS-DevOps, the specialist-level certification in this track, is designed for networking professionals with intermediate knowledge of automation tools and best practices. The written exam verifies your understanding of the application of scripting tools such as PyEZ, Python, and Ansible to Junos devices and networks.

This track includes two certifications:

- JNCIA-DevOps: Automation and DevOps, Associate. For details, see JNCIA-DevOps.

- JNCIS-DevOps: Automation and DevOps, Specialist. For details, see the sections below.

Exam Length: 90 minutes

Exam Type: 65 multiple-choice questions

Software Versions: Junos OS 24.4

Recertification: Juniper certifications are valid for three years.

• Identify concepts, general features, or functionality of Junos platform automation
• Describe how to use gRPC/gNMI for automating Junos
• Describe how to use gRPC/gNMI for Junos telemetry
• Describe how to use Ansible for automating Junos OS devices and networks
• Describe the concepts, benefits, or operation of automation scripts for Junos OS devices and networks
• Identify the concepts and general features of managing configuration in Junos devices and networks using Yet Another Next Generation (YANG) models
  

Platform Automation Overview

• Management process (MGD-based) automation
• Terraform
• Juniper Extension Toolkit (JECT) service process (JSD-based) automation

gRPC

• Proto buff
• gRPC protocol
• OpenConfig
• Proto buff
• gRPC protocol
• OpenConfig
• Sensor paths
• Tools (gNMIc, TIG stack)

Ansible

• Supported files
• Play books
• Vault
• JSNAPy
• Templates (Jinja2)

Junos Automation Scripts

• Commit scripts
• Op scripts
• Event scripts
• SNMP scripts

YANG

• Implementation concepts
• OpenConfig
• YANG syntax and data types

It is recommended that prior to taking the exam students have followed the following training:

Juniper Platform Automation and NetDevOps

Prerequisite Certification: JNCIA-DevOps