Free JN0-420: Automation and DevOps Specialist Exam Questions and Answers
Automation and DevOps Specialist is exam JN0-420, part of the Juniper Networks Certification Program. Juniper's written exams share one format across every track and level: 65 multiple-choice questions in 90 minutes, delivered by Pearson VUE. The JN0- code carries the track in its second digit — 3 is security, 4 enterprise routing and switching, 5 Mist AI, 6 service provider, 8 data centre — and the level in the first, running Associate, Specialist, Professional and Expert.
Candidates comparing JN0-420 exam dumps, ExamTopics and other JN0-420 practice tests use this page for the answers and explanations behind each question. Download the free JN0-420 PDF, then sit the timed JN0-420 exam simulation before booking with Juniper.
Last updated: October 1, 2026
- Exam code
- JN0-420
- Provider
- Juniper
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Official page
- Official Exam website
- Our test mode duration & pass mark
- 130 mins · 70%
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #2
During a review, a developer states a script fails to execute correctly. What should be checked first?
Correct answer: D
Explanation
In Python and many other scripting languages, indentation is critical for code execution. Issues in indentation can lead to script failure.
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Discussion
Explain your reasoning, not just the letterBrowse the free questions by topic
More JN0-420 questions
- Question 1A network engineer is automating a configuration backup. Which tool could be used?
- Question 3A company wants to monitor the network traffic in real-time. Which tool should they choose?
- Question 4A DevOps engineer is troubleshooting a CI/CD pipeline. What is the first step?
- Question 5Which protocol is primarily used for network automation in Junos?
- Question 6In a playbook, a certain task fails. What default behavior does Ansible perform?
All JN0-420: Automation and DevOps Specialist practice questions →
Other Juniper certifications
- JN0-104: Junos, Associate (JNCIA-Junos) (opens in a new tab)
- JN0-105: Junos, Associate (JNCIA-Junos) (opens in a new tab)
- JN0-363: Service Provider Routing and Switching, Specialist (JNCIS-SP) (opens in a new tab)
- JN0-230: Security, Associate (JNCIA-SEC) (opens in a new tab)
- JN0-351: Enterprise Routing and Switching, Specialist (JNCIS-ENT) (opens in a new tab)
- JN0-231: Security, Associate (JNCIA-SEC) (opens in a new tab)
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FAQ
Learn More: https://www.juniper.net/us/en/training/certification.html
- Q1: What is the JN0-420: Automation and DevOps Specialist exam?
- A: JN0-420: Automation and DevOps Specialist is a Juniper certification exam. Judging by the questions in our bank, it concentrates on engineer, developer, script, microservices and devops.
- Q2: What topics does the JN0-420: Automation and DevOps Specialist exam cover?
- A: Questions in our JN0-420: Automation and DevOps Specialist bank cluster around engineer, developer, script, microservices, devops, pipeline, automation and container. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for JN0-420: Automation and DevOps Specialist?
- A: Work through the JN0-420: Automation and DevOps Specialist practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real JN0-420: Automation and DevOps Specialist exam questions?
- A: They are drawn from officially released past questions and from community members who have sat JN0-420: Automation and DevOps Specialist. Answers are verified and updated weekly.
- Q5: Where do I register for the JN0-420: Automation and DevOps Specialist exam?
- A: Register through Juniper directly at https://www.juniper.net/us/en/training/certification.html. Exampractice is not affiliated with Juniper and does not administer the exam.
- Q6: Is there a free JN0-420: Automation and DevOps Specialist sample?
- A: Yes. Every JN0-420: Automation and DevOps Specialist page shows a free sample of real questions. Upgrading opens the full bank and the practice test.
- Q7: What are Juniper Certification Exams?
- A: Juniper Certification Exams validate your expertise in using and managing Juniper Networks’ products and solutions, including routing, switching, security, and automation. These certifications demonstrate your proficiency in deploying, configuring, and troubleshooting Juniper technologies to optimize network performance and security.
- Q8: Why should I pursue Juniper Certification?
- A: Juniper Certification enhances your professional credibility, showcasing your skills and knowledge in networking and security. This can lead to better job opportunities, higher salaries, and career advancement in IT, networking, and cybersecurity roles.
- Q9: What are the benefits of Juniper Certification?
- A: Benefits include recognition as a certified Juniper professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Juniper technologies and best practices.
- Q10: Who should take Juniper Certification Exams?
- A: Network engineers, system administrators, security professionals, and anyone involved in managing and implementing Juniper Networks’ solutions should consider these certifications to validate their expertise and advance their careers.
- Q11: What types of Juniper Certification Exams are available?
- A: Juniper offers various certification paths, including:
- Q12: How do I prepare for Juniper Certification Exams?
- A: Preparation can include official Juniper training courses, study guides, practice exams, online tutorials, and hands-on experience with Juniper products and solutions.
- Q13: Where can I take Juniper Certification Exams?
- A: Juniper Certification Exams can be taken at authorized Pearson VUE testing centers worldwide or online, providing flexibility to fit your schedule and location.
- Q14: How do Juniper Certifications impact my career?
- A: Juniper Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in networking, security, and IT infrastructure.
- Q15: Are there any prerequisites for Juniper Certification Exams?
- A: Some exams may have prerequisites, such as foundational knowledge or prior experience with Juniper products. Check the specific requirements for each certification path on the Juniper Networks Certification Program (JNCP) website.
- Q16: How often do I need to recertify for Juniper Certifications?
- A: Juniper Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest networking technologies and industry practices.