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Updated: Aug 31, 2026
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The JN0-422 exam is an entry-level certification exam for individuals who are interested in pursuing a career in automation and DevOps. Automation and DevOps, Specialist (JNCIS-DevOps) certification is a great way for IT professionals to demonstrate their skills and knowledge in this area, and it can help them stand out in a competitive job market.
The JN0-422 exam covers a wide range of topics, including automation tools and technologies, scripting languages, DevOps concepts and practices, and Juniper automation and orchestration tools. Candidates will be tested on their ability to automate Junos devices using various scripting languages such as Python, Ruby, and Perl. They will also be evaluated on their understanding of DevOps practices such as continuous integration, continuous delivery, and infrastructure as code.
Juniper JN0-422 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Automation and DevOps, Specialist (JNCIS-DevOps) |
| Exam Number: | JN0-422 |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIA-DevOps JNCIS-DevOps |
| Exam Format: | Multiple Choice |
| Sample Questions: | Juniper JN0-422 Sample Questions |
| Exam Way: | Delivered through Pearson VUE testing centers and Pearson VUE online proctored exams. |
| Pre Condition: | Active JNCIA-DevOps certification is required. |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/devops/jncis-devops.html |
The JN0-422 Exam aims to validate the candidates' skills in implementing DevOps practices to increase network agility and reduce deployment cycles. JN0-422 exam covers a range of topics such as automation tools, scripting languages, Continuous Integration/Continuous Deployment (CI/CD) processes, and Git for version control. Passing the JN0-422 Exam indicates that the candidate has the necessary skills to integrate automation into their network deployment processes, improving overall efficiency and reliability.
Reference: https://www.juniper.net/us/en/training/certification/tracks/devops/jncis-devops.html
Juniper JN0-422 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Platform Automation Overview | - Terraform - Juniper Extension Toolkit (JECT) Service Process (JSD-based) Automation - Management Process (MGD-based) Automation |
| NETCONF and XML APIs | - REST API Integration - XML API Fundamentals - NETCONF Operations |
| Data Serialization and Templating | - XML Templates - Jinja2 Templates - YAML - JSON |
| gRPC and gNMI | - TIG Stack - OpenConfig - gNMIc - Sensor Paths - gRPC Protocol - Protocol Buffers |
| Python Automation | - PyEZ - Exception Handling - Python-Based REST Interactions - RPC Usage |
| Ansible Automation | - Supported Files - JSNAPy - Vault - Jinja2 Templates - Playbooks |
| YANG and OpenConfig | - YANG Implementation Concepts - YANG Syntax and Data Types - OpenConfig Models |
| Junos Automation Scripts | - SNMP Scripts - Event Scripts - Commit Scripts - Operational Scripts |
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