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JN0-223 Latest Exam Registration | New JN0-223 Dumps Ppt

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Juniper Automation and DevOps, Associate (JNCIA-DevOps) Sample Questions (Q14-Q19):

NEW QUESTION # 14
Which two processes are used by Junos automation? (Choose two.)

A. ifd
B. mod
C. kmd
D. jsd

Answer: C,D

Explanation:
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

NEW QUESTION # 15
Which two statements are correct about the Junos REST API Explorer? (Choose two.)

A. TheREST API Explorer is enabled bydefault on all Junos devices.
B. The REST API Explorer returns data only in XML format.
C. The REST API Explorer supports both GET and POST calls.
D. The REST API Explorer supports multiple RPC calls.

Answer: C,D

Explanation:
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:

NEW QUESTION # 16
Using the set rest control configuration command, what are two ways to control access to the REST API running on a Junos device? (Choose two.)

A. Limit management access to only SSH
B. Limit management access to specific users.
C. Limit the number of simultaneous connections.
D. Limit access to only certain source IP addresses

Answer: C,D

Explanation:
When using the set rest control configuration command on a Junos device, you have several options to control access to the REST API. Two effective methods include:
Limiting the number of simultaneous connections: This ensures that the REST API is not overwhelmed by too many concurrent requests, which could potentially lead to performance issues or denial of service.
Limiting access to certain source IP addresses: This method restricts API access to specific IP addresses, enhancing security by ensuring that only trusted sources can interact with the REST API.
Option A (Limit management access to only SSH) is unrelated to controlling REST API access specifically.
Option B (Limit management access to specific users) might be relevant in a different context, but it is not directly tied to REST API control via the specific command mentioned.
Supporting Reference:
Juniper Networks REST API Documentation: This documentation explains how to configure and control access to the REST API on Junos devices, including connection limits and IP-based access control.

NEW QUESTION # 17
What is the advantage of using the REST API?

A. By default, the REST API retrieves data from a Junos device in CSV format
B. The REST API is enabled by default on all Junos devices
C. The REST API enables Junos devices to participate in other REST management system environments
D. By default, the REST API retrieves data from a Junos device in HTML format

Answer: C

Explanation:
since REST API Retrieve configuration information in XML, ASCII (plain text), or JSON, it retrieve operational data in XML, ASCII, or JSON. And you need to set the service to enable the rest API.
Guide : https://www.juniper.net/documentation/us/en/software/junos/rest-api/topics/concept/rest- api-overview.html

NEW QUESTION # 18
Which statement about the NETCONF content layer is true?

A. It uses YAML for RPC request and response payloads.
B. It uses JSON for RPC request and response payloads.
C. It uses HTML for RPC request and response payloads.
D. It uses XML for RPC request and response payloads.

Answer: D

Explanation:
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.

NEW QUESTION # 19
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