JN0-221 Automation and DevOps, Associate (JNCIA-DevOps) Exam
Automation and DevOps Certification Track
The Juniper Networks Certification Program (JNCP) Automation and DevOps Track allows participants to demonstrate competence with common scripting languages and tools through the automation of device and network functions. Successful candidates demonstrate understanding of applying automation to Junos devices and networks.
Certification Path
The Automation and DevOps certification track is shown below. Click the arrow tab with the appropriate certification name to view details on its requirements and recommendations.
ASSOCIATE
Automation and DevOps, Associate (JNCIA-DevOps)
This certification is designed for networking professionals with introductory-level knowledge of automation tools and best practices. The written exam for the certification verifies the candidate’s understanding of DevOps and automation concepts as they pertain to Juniper devices and solutions.
Prerequisite certification
None
Exam Details
JNCIA-DevOps exam topics are based on the content of the recommended instructor-led training course, as well as the additional resources.
Exam code: JN0-221
Administered by Pearson VUE
Exam length: 90 minutes
Exam type: 65 multiple-choice questions
Scoring and pass/fail status is available immediately
Junos Software: 20.1
Python: 3.4+
Ansible: 2.9
Exam Objectives
This list provides a general view of the skill set required to successfully complete the specified certification exam. The objectives are subject to change prior to the exam’s release.
Identify concepts and general features of Junos automation or DevOps
Automation tools
Automation frameworks
Automation APIs
DevOps culture, practices, and tools
Identify concepts and general functionality of XML, the XML API, XPath, or NETCONF
XML concepts and syntax
XPath concepts and syntax
NETCONF concepts
XML API concepts and syntax
Identify the concepts, benefits, or operation of data serialization
YAML
JSON
Identify the use of Ansible for automating Junos tasks
Architecture and capabilities
Play books
Juniper Junos Ansible modules: modifying configurations, operations commands, and software updates
Basic inventory files
Identify Python or PyEZ tools for automating Junos
Syntax and concepts
RPCs
PyEZ exception handling
Device status and configuration handling
Identify the concepts, benefits, or operation of the Junos REST API
Configuring the Junos REST API
Using the REST API Explorer
Using curl to access the REST API
Preparation
The resources in this section are suggestions only. They are not requirements, nor do they guarantee a passing score on JNCP exams. Success depends on each candidate’s motivation, experience, and dedication. Candidates may find resources not listed on this page helpful as well.
QUESTION 1
What is the advantage of using the REST API?
A. The REST API enables Junos devices to participate in other REST management system environments
B. The REST API is enabled by default on all Junos devices
C. By default, the REST API retrieves data from a Junos device in CSV format
D. By default, the REST API retrieves data from a Junos device in HTML format
Correct Answer: C
QUESTION 2
Junos PyEZ is a microframework used to operate the Junos OS using which language?
A. Puppet
B. Chef
C. Python
D. Ruby
Correct Answer: C
QUESTION 3
What is the default port for NETCONF connections over SSH?
A. 22
B. 830
C. 443
D. 8080
Correct Answer: A
QUESTION 4
Which two statements are correct about Junos PyEZ Tables and Views? (Choose two.)
A. PyEZ Tables and Views are defined using YAML
B. The juniper_junos_config module enables the use of PyEZ Tables and Views
C. PyEZ Tables and Views are defined using CSV
D. The juniper_junos_table module enables the use of PyEZ Tables and Views
Correct Answer: AD
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