最新のJN0-223実際の無料試験問題更新された68問あります
無料で使えるJN0-223試験ブレーン問題集認定ガイドの問題と解答
Juniper JN0-223認定試験は、自動化とDevOpsの実践における専門知識を実証したい専門家向けに設計されています。この試験は、Juniper Networks認定プログラム（JNCP）の一部であり、ネットワーキングテクノロジーを基本的に理解し、自動化とDevOpsの詳細を知りたい個人向けです。 JNCPは、初心者から専門家まで、あらゆるレベルのネットワーキング専門家に認定を提供する包括的なプログラムです。
JN0-223試験では、自動化の概念、スクリプト言語（Python and Ansible）、データシリアル化（JSONおよびYAML）、RESTFUL API、バージョン制御システム（GIT）、および継続的な統合と配信など、幅広いトピックをカバーしています。 CD）パイプライン。この試験は、ネットワークエンジニア、ネットワーク管理者、ネットワークアーキテクト、およびJuniper Networks製品とソリューションを使用し、自動化とDevOpsのスキルを強化したいと考えているネットワークオペレーターを対象としています。
JNCIA-Devops認定試験では、Ansible、Puppet、Chefなどの自動化ツールの使用、PythonやBashなどのスクリプト言語の使用、AgileやAgileなどのソフトウェア開発方法論の原則など、幅広いトピックをカバーしています。 DevOps。この試験は、自動化されたワークフローの設計、実装、メンテナンス、バージョン制御システムの使用、自動化されたテストと展開プロセスの統合など、実際の環境で自動化とDevopsのプラクティスを実装する候補者の能力をテストするように設計されています。 。この認定は業界で高く評価されており、世界中の大手組織によって認識されており、自動化とDevOpsでのキャリアを促進しようとしているITの専門家にとって優れた投資となっています。
質問 # 22
Which two statements about NETCONF are true? (Choose two.)
- A. It uses the messages layer to lock the configuration of a Junos device.
- B. It uses the operations layer to lock the configuration of a Junos device.
- C. It uses the messages layer to commit the configuration of a Junos device.
- D. It uses the operations layer to commit the configuration of a Junos device.
正解：B、D
解説：
NETCONF (Network Configuration Protocol) operates through different layers, with the operations layer being particularly important for managing configurations:
Operations Layer (A & D): This layer is responsible for actions like locking and committing the configuration on a Junos device. The lock operation prevents other sessions from modifying the configuration, and the commit operation applies the configuration changes to the device.
Options B and C are incorrect because the messages layer handles the communication aspects, such as exchanging data between the client and server, not performing configuration operations like locking and committing.
Reference:
IETF RFC 6241 (NETCONF): Describes the protocol layers and their functions, with a focus on the operations layer.
Juniper Networks NETCONF Documentation: Provides insights into how NETCONF operations are managed in Junos
質問 # 23
What are two important aspects of the DevOps culture? (Choose two.)
- A. separation of duties
- B. communication
- C. use of specific tools
- D. people
正解：B、D
解説：
Two important aspects of the DevOps culture are:
* Communication (A): In a DevOps environment, continuous and effective communication between development, operations, and other stakeholders is crucial. It ensures that everyone is aligned, reduces misunderstandings, and facilitates faster and more efficient workflows.
* People (D): DevOps is as much about the people as it is about the processes and tools. The culture emphasizes collaboration, shared responsibility, and a mindset focused on continuous improvement.
Empowering people to work together across different disciplines is at the heart of DevOps.
Options B and C are not primary aspects of the DevOps culture. While tools are essential in implementing DevOps practices, the culture emphasizes communication and collaboration among people more than the use of specific tools or rigid separation of duties.
* DevOps Handbook: Discusses the cultural aspects of DevOps, with a focus on communication and people.
* DevOps Best Practices: Highlights the importance of fostering a culture that prioritizes collaboration and shared goals.
References:
質問 # 24
Exhibit.
Referring to the exhibit, which statement about the Ansible Playbook is correct?
- A. The Ansible Playbook will execute successfully
- B. The Ansible Playbook will prompt for credentials
- C. The Ansible Playbook execution will fail
- D. The Ansible Playbook will report a syntax error
正解：A
質問 # 25
Which two processes are used by Junos automation? (Choose two.)
- A. kmd
- B. mod
- C. jsd
- D. ifd
正解：A、C
解説：
Junos automation relies on several key processes to handle various automation and API interactions. Let's break down the two key processes involved:
jsd (Junos Script Daemon):
The jsd process is responsible for handling automation scripts, including Python and SLAX scripts, as well as handling JET (Junos Extension Toolkit) API requests. This process is fundamental in the automation framework of Junos, as it deals with external and internal API requests, ensuring that the necessary scripts are executed when specific triggers or events occur.
kmd (Key Management Daemon):
The kmd process is involved in key management for IPsec and other security services. While its primary function is related to managing cryptographic keys, it plays a role in Junos automation by enabling secure communication and ensuring that automation tasks involving security services (such as automated IPsec tunnel creation) are handled securely.
Why the Other Options Are Incorrect:
A . mod: This process doesn't exist as part of the Junos automation framework. It's likely a distractor.
C . ifd: The ifd process is associated with the physical interfaces on the device and does not play a role in automation or script processing.
Reference from Juniper Documentation:
Junos Automation Processes
質問 # 26
Exhibit.
Referring to the exhibit, where would the junos. conf file be found?
- A. a directory on juniper__}uno3_conf
- B. a local directory on the Ansible control machine
- C. a directory on the device list in inventory_hostname
- D. a directory located on R1
正解：B
質問 # 27
You are asked to develop a PyEZ application that will connect to multiple Junos devices using the XML API and perform an asset inventory. Which standards-based protocol should you use to perform this
- A. NETCONF
- B. THRIFT
- C. MQTT
- D. gRPC
正解：A
質問 # 28
Which two tools should be used to test REST APIs? (Choose two.)
- A. curl
- B. Puppet
- C. Postman
- D. Chef
正解：A、C
質問 # 29
Which two statements about Junos automation are correct? (Choose two.)
- A. Junos automation does not allow for device provisioning throuqh the console port.
- B. The Junos REST API client is on-box.
- C. Junos automation allows for device provisioning through the console port.
- D. The Junos REST API client is off-box.
正解：B、C
質問 # 30
You are a programmer currently developing code on a Linux device. You want to start the Python interactive interpreter (shell) from the command prompt. Which command must be used to accomplish this task?
- A. bash$ pip
- B. bash$ ./_init_.py
- C. bash$ sh
- D. bash$ python
正解：B
質問 # 31
Which development model is the classic approach to software development?
- A. Kanban
- B. Lean
- C. Scrum
- D. Waterfall
正解：D
質問 # 32
You want to use a Python package or module.
In this scenario, which statement would accomplish this task?
- A. Import
- B. input
- C. reap
- D. dir
正解：A
解説：
In Python, to use a package or module, you use the import statement. 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 the math module, you would write import math. This makes all the functions and constants in the math module available for use in your program.
Option A (reap), B (dir), and C (input) do not serve the purpose of importing modules. dir is used to list the attributes of an object, input is used to get user input, and reap is not a valid Python command related to importing modules.
Supporting Reference:
Python Documentation on Imports: The Python documentation provides clear guidelines on how to use the import statement to include modules in your Python scripts.
質問 # 33
Which two statements are correct about the Junos REST API Explorer? (Choose two.)
- A. The REST API Explorer returns data only in XML format.
- B. The REST API Explorer supports multiple RPC calls.
- C. The REST API Explorer supports both GET and POST calls.
- D. TheREST API Explorer is enabled bydefault on all Junos devices.
正解：B、C
解説：
The Junos REST API Explorer provides an interactive environment to explore and execute REST API calls.
The correct statements are:
* Supports GET and POST Calls (C): The REST API Explorer allows users to make both GET and POST requests, enabling retrieval and submission of data to the Junos device.
* Supports Multiple RPC Calls (D): The REST API Explorer can execute multiple RPC (Remote Procedure Call) commands, allowing a wide range of operations to be performed directly through the interface.
Option A is incorrectbecause the REST API Explorer is not enabled by default; it must be enabled manually.
Option B is incorrectbecause the REST API Explorer returns data in both XML and JSON formats, not just XML.
* Junos REST API Explorer Documentation: Provides details on the supported operations and how to use the Explorer for different types of requests.
* Juniper Networks Documentation: Covers the setup and usage of the REST API Explorer.
References:
質問 # 34
What are two Junos PyEZ configuration object methods? (Choose two.)
- A. config ()
- B. lockO
- C. device ()
- D. commie ()
正解：A、B
解説：
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().
質問 # 35
Referring to the exhibit.
which two statements are correct? (Choose two.)
- A. The configuration will be retrieved in XML format.
- B. The retrieved configuration will be from the Junos candidate configuration.
- C. The configuration will be retrieved in JSON format.
- D. The retrieved configuration will be from the Junos active configuration.
正解：B、C
質問 # 36
A REST API client uses which two HTTP methods to execute RPC requests on the server? (Choose two.)
- A. CONNECT
- B. GET
- C. HEAD
- D. POST
正解：B、D
解説：
REST APIs use HTTP methods to perform different operations on resources. In the context of RPC (Remote Procedure Call) requests:
* GET:This method is used to retrieve data from the server. In a REST API, it is commonly used to fetch information about resources, such as the current configuration or operational state.
* POST:This method is used to send data to the server to create or update a resource. In the context of RPC, POST is often used to execute a procedure on the server that may result in the modification of a resource or triggering of an action.
Options B (HEAD) and D (CONNECT) are not typically used for executing RPC requests:
* HEADis similar to GET but only retrieves the headers, not the body of the response.
* CONNECTis used to establish a tunnel to the server, primarily for SSL-encrypted communication, and is not commonly associated with RESTful RPC operations.
Supporting References:
* Juniper Networks REST API Documentation:The documentation provides detailed information about the use of HTTP methods in Juniper's RESTful services.
* "RESTful Web Services"by Leonard Richardson and Sam Ruby: This book explains the principles of REST and how different HTTP methods, particularly GET and POST, are used to interact with RESTful APIs.
質問 # 37
You are asked to write an automation script using Python. When you execute the script, you notice that your code sends an RpcTimeoutError error.
In this scenario, what would be the reason for this error?
- A. The Python script was not able to connect to the Juniper device
- B. The RPC syntax is incorrect
- C. The Juniper device took too long to reply to the RPC call
- D. The Juniper device rejects the connection
正解：C
質問 # 38
You are using the curl tool to include multiple RPCs in a REST API request.
Which HTTP method must be used for this request?
- A. PUT
- B. HEAD
- C. POST
- D. GET
正解：C
質問 # 39
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