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Updated: Jul 29, 2026
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The JNCIA-DevOps certification is designed to validate the skills and knowledge of network engineers in automation and DevOps practices. With the increasing demand for automation and DevOps in the networking industry, this certification has become extremely relevant and valuable for IT professionals. Passing JN0-221 exam will demonstrate that you have the skills to automate network infrastructure and implement DevOps practices in your organization.
The Juniper JN0-221 exam covers a range of critical topics, from the basics of automation and DevOps to the application of automation in Junos. Some of the key topics include automation concepts, data formats, and tools, Junos automation tools including Ansible, NETCONF, and Junos Automation scripts, DevOps concepts, and tools, and Junos automation operations, among others. JN0-221 exam prepares candidates for a variety of IT automation roles related to network automation, including network automation engineer, network automation specialist, and DevOps engineer.
Reference: https://www.juniper.net/us/en/training/certification/certification-tracks/devops/?tab=jnciadevops
The JN0-221 exam covers a wide range of topics, including automation tools and protocols, scripting languages such as Python and Ruby, Junos automation stack, DevOps methodologies, and continuous integration and delivery (CI/CD) pipelines. Passing this certification exam will not only validate your technical expertise in network automation and DevOps, but it will also demonstrate your commitment to professional development and staying current with the latest industry trends and practices.
One of the primary benefits of earning the JN0-221 certification is that it demonstrates a candidate's ability to work with Juniper's automation tools and technologies. This includes Junos automation scripts, Juniper extension toolkit, and Junos automation platform. These tools are essential for network operators who want to streamline their operations and improve network agility.
Juniper JN0-221 Exam Overview:
| Certification Vendor: | Juniper Networks |
| Exam Name: | Automation and DevOps, Associate |
| Exam Number: | JN0-221 |
| Exam Duration: | 90 minutes |
| Exam Price: | $200 USD |
| Related Certifications: | JNCIS-DevOps JNCIP-DevOps |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| Passing Score: | Not publicly disclosed (scaled scoring) |
| Exam Format: | Multiple choice |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Juniper Learning Portal Introduction to Junos Automation and DevOps (IJAUT) |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Juniper JN0-221 Sample Questions |
| Exam Way: | In-person at Pearson VUE test centers or online proctored |
| Pre Condition: | No formal prerequisites; basic networking knowledge and familiarity with scripting recommended |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/certification-tracks/devops/jncia-devops.html |
Juniper JN0-221 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Python and PyEZ Automation | 25% | - Junos PyEZ library installation and usage - Python basics and syntax - Modifying and applying configurations - Error and exception handling - Retrieving device status and configuration |
| Data Serialization and YANG | 15% | - JSON and YAML formats - YANG data modeling overview |
| Ansible Automation | 15% | - Ansible fundamentals and inventory files - Playbook creation and execution - Juniper Junos Ansible modules |
| Junos Automation Stack and DevOps Concepts | 20% | - Version control basics - DevOps culture, practices, and tools - Junos automation architecture and components |
| XML, NETCONF, and REST API | 25% | - XML syntax and concepts - XPath fundamentals - Junos REST API usage - NETCONF protocol and operations |
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