Juniper JN0-421 exam dumps : Automation and DevOps, Specialist (JNCIS-DevOps)

  • Exam Code: JN0-421
  • Exam Name: Automation and DevOps, Specialist (JNCIS-DevOps)
  • Updated: Sep 27, 2026     Q & A: 66 Questions and Answers

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The JN0-421 certification exam is ideal for individuals who are looking to advance their careers in network automation and DevOps. Automation and DevOps, Specialist (JNCIS-DevOps) certification exam is suitable for network engineers, network architects, DevOps engineers, and automation engineers. The JN0-421 certification exam is vendor-neutral, which means that individuals who pass JN0-421 exam will be able to work with different automation tools and platforms.

Reference: https://www.juniper.net/us/en/training/certification/certification-tracks/devops?tab=jncis-devops

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The JN0-421 exam is a valuable certification for professionals who want to advance their careers in automation and DevOps. Automation and DevOps, Specialist (JNCIS-DevOps) certification demonstrates a candidate's knowledge and skills in these areas and can open up new job opportunities in a variety of industries. Professionals who hold the JN0-421 certification are in high demand and can command higher salaries than those without the certification.

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Juniper JN0-421 Exam Syllabus Topics:

SectionObjectives
Data Serialization and Templating- Serialization Formats and Templates
  • 1. XML
  • 2. Jinja2
  • 3. JSON
  • 4. YAML
Automation Frameworks- Ansible for Junos Automation
  • 1. Playbooks
  • 2. Jinja2 templates
  • 3. Ansible Tower
- Salt for Junos Automation
  • 1. Pillar
  • 2. Runner
Junos Automation Scripts- Automation Script Concepts
  • 1. Commit scripts
  • 2. SNMP scripts
  • 3. Event scripts
  • 4. Operational scripts
  • 5. Python scripting
  • 6. SLAX scripting
  • 7. Translation scripts
YANG and OpenConfig- Data Modeling and Open Standards
  • 1. Junos implementation concepts
  • 2. YANG models
  • 3. OpenConfig
Platform Automation Overview- Junos Platform Automation Concepts
  • 1. JSD-based automation
  • 2. Telemetry concepts (gRPC, gNMI, native telemetry)
  • 3. MGD-based automation
NETCONF and XML API- Automation Access Methods
  • 1. XML API
  • 2. REST API
  • 3. NETCONF
Python Automation- Python Tools for Junos Automation
  • 1. REST integration
  • 2. PyEZ exception handling
  • 3. RPCs
  • 4. PyEZ
  • 5. Jinja2 templates
  • 6. JSNAPy

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