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JN0-224 Exam Topics and Domains
JN0-224 is organized into 5 weighted domains. Expect to work with Ansible, Git, Junos REST API, NETCONF, and more.
1
Junos Automation Stack and DevOps Concepts
20%
Automation Tools
Automation Tool CategoriesJunos Automation Tools
- Identify concepts and general features of Junos Platform automation or DevOps
- Recognize appropriate automation tools for network tasks
Automation Frameworks
DevOps Automation Frameworks
- Understand automation frameworks in network context
- Recognize CI/CD pipeline components
Automation APIs
Network Automation APIs
- Identify automation APIs available for Junos devices
- Understand API use cases and selection criteria
DevOps Culture, Practices, and Tools
DevOps PrinciplesDevOps Tools Ecosystem
- Understand DevOps culture and collaborative practices
- Identify DevOps tools and their roles in automation
2
NETCONF/XML API
25%
XML Concepts and Syntax
XML Structure and ElementsXML for Network Configuration
- Identify concepts and general functionality of XML
- Parse and understand XML structures for network automation
XPath Concepts and Syntax
XPath ExpressionsXPath in Network Automation
- Understand XPath syntax for XML navigation
- Apply XPath in network automation contexts
NETCONF Concepts
NETCONF Protocol FundamentalsNETCONF Operations
- Understand NETCONF protocol architecture
- Identify NETCONF operations and their usage
XML API Concepts and Syntax
Junos XML API
- Use Junos XML API for device interaction
- Construct and parse XML API messages
3
Data Serialization
15%
YAML
YAML Syntax and StructureYAML in Network Automation
- Understand YAML syntax and structure
- Apply YAML in network automation contexts
JSON (JavaScript Object Notation)
JSON Syntax and StructureJSON in Network AutomationComparison: YAML vs JSON vs XML
- Identify concepts and benefits of data serialization
- Apply JSON and YAML in automation workflows
4
Python/PyEZ
30%
Python Syntax and Concepts
Python FundamentalsPython for Network Automation
- Identify Python syntax and concepts
- Apply Python for network automation tasks
PyEZ Library
PyEZ FundamentalsPyEZ Configuration Operations
- Identify Python and PyEZ tools for automating Junos devices
- Use PyEZ for configuration and operational tasks
Junos Snapshot Administrator (JSNAPy)
JSNAPy Fundamentals
- Use JSNAPy for network validation
- Implement pre/post change checks
Jinja2 Templating
Jinja2 Syntax and UsageJinja2 for Configuration Templates
- Identify Jinja2 templating concepts
- Use Jinja2 for configuration automation
Remote Procedure Calls (RPCs)
RPC in PyEZ
- Use Remote Procedure Calls in automation
- Execute and parse RPC operations
PyEZ Exception Handling
PyEZ Error Handling
- Handle errors in PyEZ scripts
- Implement robust exception handling
Device Status and Configuration Handling
Device Information Retrieval
- Query device status with PyEZ
- Retrieve configuration and operational data
5
REST API
10%
Junos REST API
REST API FundamentalsJunos REST API Operations
- Identify concepts and benefits of Junos REST API
- Use REST API for device automation
Junos REST API Explorer
REST API Explorer Usage
- Use Junos REST API Explorer for testing
- Explore available REST API endpoints
cURL Access for REST API
cURL Commands for REST APIPython Requests Library
- Access REST API using cURL and Python
- Construct and execute REST API requests