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

  • Exam Code: JN0-421
  • Exam Name: Automation and DevOps, Specialist (JNCIS-DevOps)
  • Updated: Aug 01, 2026     Q & A: 66 Questions and Answers

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The JN0-421 certification exam is a prerequisite for the Juniper Networks Certified Specialist Automation and DevOps (JNCIS-DevOps) certification. Automation and DevOps, Specialist (JNCIS-DevOps) certification is intended for individuals who have a basic understanding of networking, automation, and scripting. The JNCIS-DevOps certification is an industry-recognized certification that validates the skills and knowledge of individuals in automation and DevOps. Automation and DevOps, Specialist (JNCIS-DevOps) certification can help individuals to advance their careers and increase their earning potential.

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

Juniper JN0-421 Exam Certification Details:

Duration90 minutes
Passing ScoreVariable (60-70% Approx.)
Exam CodeJN0-421 JNCIS-DevOps
Exam Price$300 USD
Sample QuestionsJuniper JN0-421 Sample Questions
Number of Questions65
Recommended TrainingJunos Platform Automation and DevOps (JAUT)
Exam RegistrationPEARSON VUE
Exam NameAutomation and DevOps Specialist

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The JN0-421 certification is an excellent way for network engineers to demonstrate their skills in automation and DevOps. In today's fast-paced technology landscape, organizations are looking for professionals who can help them automate their network infrastructure and improve efficiency. By passing JN0-421 exam, candidates will be well-positioned to take on new roles within their organizations or to pursue new opportunities in the field of network engineering.

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Juniper JN0-421 Exam Syllabus Topics:

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

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