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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.
Reference: https://www.juniper.net/us/en/training/certification/certification-tracks/devops/?tab=jnciadevops
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+.
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.
What is the cost JN0-221 Exam
The price of the JN0-221 exam is USD 300, for more information related to the Service Provider Routing and Switching, Professional JN0-663 exam, please visit Juniper Website, as the prices changes based on different currencies.
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Juniper JN0-221 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Python and PyEZ Automation | 25% | - Retrieving device status and configuration - Python basics and syntax - Junos PyEZ library installation and usage - Modifying and applying configurations - Error and exception handling |
| Topic 2: Junos Automation Stack and DevOps Concepts | 20% | - Version control basics - Junos automation architecture and components - DevOps culture, practices, and tools |
| Topic 3: Ansible Automation | 15% | - Ansible fundamentals and inventory files - Playbook creation and execution - Juniper Junos Ansible modules |
| Topic 4: XML, NETCONF, and REST API | 25% | - Junos REST API usage - XML syntax and concepts - XPath fundamentals - NETCONF protocol and operations |
| Topic 5: Data Serialization and YANG | 15% | - JSON and YAML formats - YANG data modeling overview |
