Juniper JN0-220 Exam : Automation and DevOps, Associate (JNCIA-DevOps)

  • Exam Code: JN0-220
  • Exam Name: Automation and DevOps, Associate (JNCIA-DevOps)
  • Updated: Sep 07, 2026
  • Q & A: 65 Questions and Answers

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Juniper JN0-220 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Junos Automation Stack and DevOps Concepts18%- DevOps concepts and practices
  • 1. Version Control Systems
  • 2. Continuous Integration and Continuous Delivery
  • 3. Automation frameworks
  • 4. Infrastructure as Code
- Junos automation tools
  • 1. Junos automation stack components
  • 2. Configuration automation concepts
Topic 2: REST API20%- REST fundamentals
  • 1. Request and response formats
  • 2. REST architecture
  • 3. HTTP methods
- Junos REST API
  • 1. Configuration operations
  • 2. Authentication methods
  • 3. Operational commands
Topic 3: NETCONF and XML20%- XML technologies
  • 1. XML structure
  • 2. XML parsing concepts
  • 3. XPath basics
- NETCONF fundamentals
  • 1. NETCONF architecture
  • 2. NETCONF operations
  • 3. Configuration management
Topic 4: Data Serialization20%- YAML
  • 1. YAML syntax
  • 2. Data representation
- JSON
  • 1. Data structures
  • 2. Encoding and decoding
Topic 5: Python and PyEZ22%- PyEZ automation
  • 1. Device connections
  • 2. Operational data retrieval
  • 3. Configuration management
- Python fundamentals
  • 1. Control structures
  • 2. Functions and modules
  • 3. Variables and data types
  • 4. Lists and dictionaries

Juniper Automation and DevOps, Associate (JNCIA-DevOps) Sample Questions:

Question 1

You want to restrict access to the REST API on a Junos device?
What are two ways to accomplish this task? (Choose two.)

A. Restrict access by the source IP address
B. Restrict access by the source MAC address
C. Enable a schedule of specific access times
D. Enable a maximum number of connections


Question 2

What are two components of continuous integration and continuous delivery? (Choose two.)

A. to allocate time at the end of the project for testing
B. to use a version control system
C. to have a large consolidated code delivery
D. to have the ability to fork or merge code branches


Question 3

An XML schema definition file uses which extension?

A. .xls
B. .xml
C. .xsd
D. .tar


Question 4

Click the Exhibit button.
Which two actions are performed by the PyEZ Python script shown in the exhibit? (Choose two.)

A. It prints the rescue configuration if one already exists
B. It always saves the current configuration as a rescue
C. It saves the current configuration as a rescue configuration only if one does not exist
D. It prints the rescue configuration after it has been replaced


Question 5

What are two benefits of a DevOps approach? (Choose two.)

A. to reduce the number of configuration releases
B. to quickly integrate software updates
C. to reduce deployment anxiety
D. to reduce the number of managed objects


Solutions:

Question 1
Answer: A,C
Question 2
Answer: B,C
Question 3
Answer: C
Question 4
Answer: A,C
Question 5
Answer: B,C

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