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Latest JN0-223 Test Practice, Best JN0-223 Study Material

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The JNCIA-DevOps certification exam consists of multiple-choice questions and is conducted online. Candidates have 90 minutes to complete the exam, and the passing score is 65%. JN0-223 Exam can be taken at any time, and candidates can schedule the exam at their convenience. Automation and DevOps, Associate (JNCIA-DevOps) certification is valid for three years, after which candidates must recertify to maintain the certification.

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Juniper Automation and DevOps, Associate (JNCIA-DevOps) Sample Questions (Q12-Q17):

NEW QUESTION # 12
Exhibit.

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

A. The Junos configuration database is explicitly locked and unlocked.
B. The connection to the Junos device is explicitly opened and closed.
C. The Junos configuration database is automatically locked and unlocked.
D. The connection to the Junos device is automatically opened and closed.

Answer: C,D

NEW QUESTION # 13
Which two statements about the REST API are correct? (Choose two.)

A. The TCP session state is maintained by the client
B. The TCP session state is maintained by the server.
C. The REST API application is stateful.
D. The REST API application is stateless.

Answer: A,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 # 14
Given the following Python script:
a = [1,2,3,4,5,6,7,8,9]
print(a[0])
What is the output of this print command?

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
In Python, lists are zero-indexed, meaning the first element of the list is at index 0. The given script is:
pythona = [1, 2, 3, 4, 5, 6, 7, 8, 9]
print(a[0])
a[0] refers to the first element in the list a, which is 1.
So, the output of the print(a[0]) command is 1.
Option A is correct because Python indexing starts at 0, making the first element of the list at index 0.
Reference:
Python Official Documentation: Covers list indexing and operations.
Python Programming Tutorials: Provide examples of list indexing.

NEW QUESTION # 15
Exhibit.

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

A. The Ansible play in the exhibit outputs but does not modify the device hostname.
B. The Ansible play in the exhibit modifies and outputs the device hostname.
C. The module in the first task is maintained by Juniper.
D. The module in the first task in maintained by Ansible.

Answer: A,C

NEW QUESTION # 16
You want to use a Python package or module.
In this scenario, which statement would accomplish this task?

A. dir
B. input
C. reap
D. Import

Answer: D

Explanation:
In Python, to use a package or module, you use theimportstatement. This statement allows you to load a module into your script so that you can use its functions, classes, and variables. For example, if you wanted to use themathmodule, you would writeimport math. This makes all the functions and constants in themathmodule available for use in your program.
* Option A (reap), B (dir), and C (input)do not serve the purpose of importing modules.diris used to list the attributes of an object,inputis used to get user input, andreapis not a valid Python command related to importing modules.
Supporting References:
* Python Documentation on Imports:The Python documentation provides clear guidelines on how to use theimportstatement to include modules in your Python scripts.

NEW QUESTION # 17
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