Juniper Automation and DevOps, Associate JN0-224 Exam Questions

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Total 66 questions
Question 1

What is the correct Python script syntax to prompt for input?



Answer : A

In Python, the correct syntax to prompt the user for input and store that input in a variable is:

input(prompt): The input() function is used to take input from the user. The string provided as an argument (inside the parentheses) is displayed as a prompt to the user. The input provided by the user is returned as a string and can be stored in a variable.

Example:

hostIP = input('Device IP address: ')

In this example, 'Device IP address: ' is the prompt displayed to the user, and the user's input will be stored in the variable hostIP.

Options B, C, and D are syntactically incorrect in Python.


Python Official Documentation: Describes the use of the input() function for getting user input.

Python Tutorials: Various tutorials demonstrate how to properly use the input() function in scripts.

Question 2

You want to perform a dry run on the myPlays playbook and use a custom inventory file called myRouters.ini.

Which Ansible command would you use in this scenario?



Answer : B


Question 3

Which two PyEZ object methods are included by default when using a Python context manager? (Choose two.)



Answer : A, B

When using a Python context manager with Junos PyEZ, two key methods are automatically included:

open() and close(): These methods are used to establish and terminate a connection to a Junos device. When you use a context manager (the with statement), open() is called when entering the block, and close() is called when exiting, ensuring the connection is properly managed.

lock() and unlock(): These methods are used to lock the configuration database to prevent other users from making changes while you are working on it. When using a context manager, lock() is called at the start of the block, and unlock() is called at the end, ensuring safe configuration changes.

Supporting Reference:

Junos PyEZ Documentation: The documentation explains how context managers work in PyEZ, including the automatic invocation of open(), close(), lock(), and unlock() methods.


Question 4

Which statement about the NETCONF content layer is true?



Answer : B

The NETCONF protocol, used for network management, utilizes XML for encoding the RPC (Remote Procedure Call) requests and responses. XML is chosen because of its flexibility and ability to represent hierarchical data structures, making it well-suited for representing network configurations and states.

Option B is correct because XML is the standard format used for NETCONF RPC payloads.

Options A (YAML), C (JSON), and D (HTML) are incorrect because these formats are not used by NETCONF for its RPC payloads.

Supporting Reference:

RFC 6241 - NETCONF Protocol: This RFC describes the use of XML for encoding NETCONF messages.


Question 5

Which statement is valid regarding YAML and JSON?



Answer : D

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.


Question 6

Which two statements about Ansible are correct? (Choose two.)



Answer : A, C


Question 7

Exhibit.

Referring to the exhibit, which two statements about the script are correct? (Choose two.)



Answer : A, D


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Total 66 questions