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Juniper JN0-221 Practice Test Questions and Answers, Juniper JN0-221 Exam Dumps - PrepAway

All Juniper JN0-221 certification exam dumps, study guide, training courses are Prepared by industry experts. PrepAway's ETE files povide the JN0-221 Automation and DevOps, Associate practice test questions and answers & exam dumps, study guide and training courses help you study and pass hassle-free!

JN0-221 is the main requirement for acquiring the Juniper Networks Certified Internet Associate-DevOps certification. This test confirms if a candidate has mastered a variety of automation tools and best practices at the introductory-level and is ready to apply them effectively for resolving day-to-day challenges.

Juniper JN0-221 Exam Details

Juniper JN0-221, is a written exam with a 90-minute duration and featuring a maximum of 65 multiple-choice questions. Grading is done on a Pass or Fail status and the candidates can have the result as soon as they complete the test. To schedule it, applicants should visit the Pearson VUE platform.

Although there are no strict prerequisites, it is recommended to complete the official online course to get fully ready for the test. Also, Juniper states that all individuals preparing for JN0-221 must be familiar with specific software before registering. These include the Junos Software: 20.1, Ansible: 2.9, and Python: 3.4+.

JN0-221 Exam Objectives

JN0-221 exam is built around the common concepts that a candidate should understand to successfully gain mastery of automation tools among other relevant topics. The full list of the objectives includes the following:

  • Junos Automation Stack and DevOps Concepts
  • Data Serialization
  • Ansible
  • Python/PyEZ

Certification Overview

The JNCIA-DevOps certification is meant to validate networking professionals’ strong entry-level knowledge of automation and the relevant best practices. This path will confirm that one also understands DevOps concepts as they relate to Juniper solutions and devices. Generally, the JNCIA-DevOps certificate is a vital part of Juniper’s Automation and DevOps path that helps specialists to demonstrate their expertise in working with scripting languages and tools to automate device and network function. This is also the same accreditation that candidates should obtain to qualify for the next-level Juniper JNCIS-DevOps certification along the same track.

Recommended Course: Introduction to Junos Platform Automation and DevOps (IJAUTI)

Introduction to Junos Platform Automation and DevOps (IJAUTI) is a fundamental course that’s related to the aforementioned JN0-221 exam. It is suitable for all individuals willing to strengthen their skills and ability to configure or monitor devices featuring the Junos OS. As part of the basic training prerequisites, candidates enrolling in this program must first satisfy the following requirements:

  • Be proficient with the TCP/IP protocol suite and the OSI model
  • Have basic knowledge of computer networking concepts

When it comes to the course content, this 3-day program will help candidates establish a strong mastery of automation concepts and gain the skills needed to work with DevOps automation tools, technologies, and protocols. Through this training, learners will get vital hands-on experience with the languages and tools commonly associated with automating the Junos OS platform within a DevOps environment.

Also, this course will focus on vital Python concepts, PyEZ, REST API, and Ansible, as well as their roles when automating Junos. Like many Juniper study options, the content of this training is well distributed to give candidates a clear overview of what they will be covering every day. Day one starts with the introduction including an outline of the Junos OS, DevOps, and the Junos automation stack. Here, candidates should understand the benefits of DevOps, traffic processing, basic configuration tasks, and interface types, among other topics.

Then, students will learn the details of XPath and XML, XML API and NETCONF, and JSON along with YAML. This stage also introduces candidates to Python and Ansible. It should be stated that the second module of your Juniper JN0-221 exam training has intense requirements, combining online sessions in the form of a series of lectures with vital hands-on labs.

Lastly, the instructors will focus their attention on two major topics. They will introduce the Junos PyEZ and then will conclude with the Junos REST API. Again, you will get some practical skills in these areas by completing the tasks in lab environments. You may want to visit the Juniper official training page to find out more details about this course before registering for your JN0-221 exam.

Recommended Revision Books

The next section covers the best revision books for the Juniper JN0-221 certification exam prep;

  • Day One Books

    To help jumpstart your certification exam training, Juniper provides a series of Day One books through its Networks Technical Publications platform. So, you may want to visit this platform to find the best revision book for your upcoming certification exam. Some of the most popular options here including Routing in Fat Trees (RIFT), Contrail DPDK vRouter, Beginner’s Guide to Learning Junos, Deploying Junos Route Servers, and Data Center Fundamentals.

Juniper Certified Network Engineer’s Job Description

Juniper certified network engineers take pride in supporting Juniper Network Architecture. In many organizations, these individuals implement and offer technical support on a wide range of network topologies including WAN and LAN among other customer-focused internet applications. They are skilled in using a series of protocols including TCP/IP, which will help them manage Juniper tools and technologies such as the PTX hardware, SRX, EX, and MX. In summary, the key responsibilities of Juniper certified network engineers include the following:

  • Testing and documenting TCP/IP performance
  • Configuring operational routing procedures and policies to guarantee first-rate performance
  • Installing, configuring, and monitoring vital components of network security protocols
  • Documenting the cause analysis and providing effective solutions to mitigate the possible challenges
  • Identifying and recommending suitable network designs that ensure efficiency
  • Using a wide range of network diagnostic tools

A typical Juniper network engineer earns an average salary of $99k per year, according to Glassdoor’s survey. Of course, this value may vary depending on different factors such as location, experience, and skills but it has never gone below $82k per year.


It’s never too late to build a successful career using the Juniper networking solutions and technologies. It all starts with choosing the right certification path and getting a clear definition of a perfect career. Now that you have mastered what you should know about the JN0-221 exam, nothing should stop you from fulfilling your career goals.

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