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Juniper JN0-224 Exam Overview:

Certification Vendor:Juniper Networks
Exam Name:Juniper Automation and DevOps, Associate (JNCIA-DevOps)
Exam Number:JN0-224
Available Languages:English
Exam Duration:90 minutes
Real Exam Qty:65
Exam Format:Multiple-choice questions
Related Certifications:JNCIS-DevOps
JNCIA-Junos
Certificate Validity Period:3 years
Recommended Training:Juniper Networks Training Catalog
Juniper Learning - Automation and DevOps Courses
Exam Registration:Juniper Certification Portal
Juniper Training and Exams Registration
Sample Questions:Juniper JN0-224 Sample Questions
Exam Way:Online proctored or authorized testing center
Pre Condition:No formal prerequisites are required; foundational networking and basic Python knowledge are recommended.
Official Syllabus URL:https://www.juniper.net/us/en/training/certification/

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Juniper JN0-224 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Serialization: This domain addresses YAML and JSON formats used for structured data representation and exchange in network automation workflows.
Topic 2
  • Junos Automation Stack and DevOps Concepts: This domain covers fundamental automation tools, frameworks, APIs, and DevOps culture applicable to Junos platform operations and network management.
Topic 3
  • NETCONF
  • XML API: This domain focuses on XML syntax, XPath expressions, NETCONF protocol, and XML API functionality for programmatic device configuration and communication.
Topic 4
  • Python
  • PyEZ: This domain examines Python programming with PyEZ library for Junos automation, including JSNAPy, Jinja2 templates, RPC calls, exception handling, and device configuration management.
Topic 5
  • Rest API: This domain covers Junos REST API implementation, REST API Explorer tool, and cURL usage for HTTP-based device management and configuration.

Juniper Automation and DevOps, Associate (JNCIA-DevOps) Sample Questions (Q52-Q57):

NEW QUESTION # 52
Exhibit.

Referring to the exhibit, which XPath statement would retrieve the commit-user attribute in the candidate configuration?

Answer: D

Explanation:
.


NEW QUESTION # 53
What are two Junos PyEZ configuration object methods? (Choose two.)

Answer: C,D

Explanation:
In Junos PyEZ, the Config object provides various methods for interacting with device configurations. Two of the key methods are:
lock(): This method locks the candidate configuration database to prevent other users or processes from making changes while you are modifying the configuration.
config(): This method is used to create a Config object that represents the configuration database, allowing you to load, modify, and commit configuration changes.
Option C (lock) and Option D (config) are correct because they are valid methods provided by the PyEZ Config object.
Option A (commie) and Option B (device) are incorrect as they are not methods of the Config object.
Supporting Reference:
Junos PyEZ Documentation: Details the methods available in the Config object, including lock() and config().


NEW QUESTION # 54
Which Junos API supports direct modification of the Ephemeral database?

Answer: D

Explanation:
In Junos, the JET (Junos Extension Toolkit) API supports direct modification of the Ephemeral database. The Ephemeral database is a temporary configuration database used in Junos OS, allowing for changes that do not persist after a reboot unless explicitly committed to the permanent configuration.
JET API: Allows for high-performance interactions with Junos, including the ability to make changes to the Ephemeral database, which is useful for temporary configurations, dynamic policies, and other operational tasks.
Other options like WebSocket, SOAP, and REST do not provide direct access to the Ephemeral database in Junos.
Reference:
Juniper Networks JET Documentation: Details how JET API interacts with the Ephemeral database.
Junos Automation and DevOps Documentation: Discusses the use of JET for automation and dynamic configuration.


NEW QUESTION # 55
Which statement is valid regarding YAML and JSON?

Answer: A

Explanation:
Both YAML and JSON are case-sensitive, meaning that the distinction between uppercase and lowercase characters matters. For example, in JSON or YAML, Key and key would be considered different.
Option D (case-sensitive) is correct because both YAML and JSON treat keys and values with different cases as distinct.
Option A is incorrect because, while JSON does not use indentation, YAML does rely on indentation to define structure. Option B is incorrect because whitespace can be significant in YAML for structure, and Option C is incorrect because JSON does not support comments, while YAML does.
Supporting Reference:
YAML and JSON Documentation: The official specifications for both YAML and JSON emphasize their case sensitivity.


NEW QUESTION # 56
Which two statements about the REST API are correct? (Choose two.)

Answer: C,D

Explanation:
REST (Representational State Transfer) is an architectural style for designing networked applications, and its key principles include:
Statelessness (B): Each request from the client to the server must contain all the information needed to understand and process the request. The server does not store any session state between requests, meaning each request is independent and does not rely on previous ones.
TCP Session State (C): While REST itself is stateless, the underlying TCP connection's state, such as keeping the connection alive or managing retries, is handled by the client. The server does not retain information about the TCP connection beyond the processing of the individual request.
Options A and D are incorrect because they imply that the REST API is stateful, which contradicts the stateless nature of REST.
Reference:
REST API Design Principles: Describes the stateless nature of REST and the responsibility of clients in managing session state.
Web Development Documentation: Discusses how REST APIs operate, focusing on statelessness and client-server interaction.


NEW QUESTION # 57
......

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