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[General] Valid Exam JN0-224 Book Unparalleled Questions Pool Only at BraindumpsVCE

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【General】 Valid Exam JN0-224 Book Unparalleled Questions Pool Only at BraindumpsVCE

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Juniper JN0-224 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • Data Serialization: This domain addresses YAML and JSON formats used for structured data representation and exchange in network automation workflows.
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
  • 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 5
  • Rest API: This domain covers Junos REST API implementation, REST API Explorer tool, and cURL usage for HTTP-based device management and configuration.

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Juniper Automation and DevOps, Associate (JNCIA-DevOps) Sample Questions (Q36-Q41):NEW QUESTION # 36
Which two data structures are used in JSON? (Choose two.)
  • A. objects
  • B. arrays
  • C. tuples
  • D. dictionaries
Answer: A,B
Explanation:
In JSON (JavaScript Object Notation), the two primary data structures are:
Objects: These are collections of key-value pairs, where each key is a string, and the value can be a string, number, array, boolean, or another object. In Python, this structure is analogous to a dictionary.
Arrays: These are ordered lists of values, where each value can be of any data type, including another array or object. In Python, this structure is similar to a list.
Option A (tuples) and Option D (dictionaries) refer to Python-specific data structures and are not directly used in JSON.
Supporting Reference:
JSON Documentation and Tutorials: JSON objects and arrays are the standard data structures used in this format, as described in many tutorials and the official JSON documentation.

NEW QUESTION # 37
Which two statements about NETCONF layers are correct? (Choose two.)
  • A. NETCONF layers use the operations layer to receive RPCs from a remote NETCONF server.
  • B. NETCONF layers use the operations layer to send RPCs to a remote NETCONF server.
  • C. NETCONF layers use the messages layer to receive RPCs from a remote NETCONF server.
  • D. NETCONF layers use the messages layer to send RPCs to a remote NETCONF server.
Answer: A,D
Explanation:
NETCONF (Network Configuration Protocol) is a standard protocol defined for managing network devices. NETCONF operates in a layered architecture, which includes the following key layers:
Operations Layer: This layer deals with the actual operations like <get-config>, <edit-config>, <copy-config>, and others. It receives RPC (Remote Procedure Call) requests from a remote NETCONF client and processes these requests.
Messages Layer: This layer is responsible for encoding the RPCs and sending them over the network. It handles the communication between the NETCONF client and server, ensuring that the RPC messages are correctly formatted (usually in XML) and transmitted.
Statement B is correct because the Messages layer is responsible for sending RPCs to a remote NETCONF server.
Statement C is correct because the Operations layer is where the NETCONF server receives and processes the RPCs sent by the client.
Supporting Reference:
Juniper Networks NETCONF Documentation: Provides a detailed breakdown of the NETCONF protocol layers and their functions.
RFC 6241: The official specification for NETCONF, which describes the layered architecture, including the operations and messages layers.

NEW QUESTION # 38
What are two Junos PyEZ configuration object methods? (Choose two.)
  • A. lockO
  • B. device ()
  • C. config ()
  • D. commie ()
Answer: A,C
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 # 39
Which process is responsible for XML automation requests?
  • A. mgd
  • B. jsrpd
  • C. jsd
  • D. rpd
Answer: A
Explanation:
The mgd (Management Daemon) process in Junos is responsible for handling XML automation requests. This daemon manages the configuration and operational commands received via NETCONF, which uses XML for data exchange. The mgd process parses the XML data and applies the necessary configuration or retrieves the requested information.
Option B is correct because mgd is the process that handles XML-based requests in Junos.
Options A (jsrpd), C (rpd), and D (jsd) are incorrect because they are responsible for different functions, such as routing protocols and services, not XML automation.
Supporting Reference:
Juniper Networks Management Daemon (mgd) Documentation: Provides an overview of the responsibilities of the mgd process, including handling XML requests.

NEW QUESTION # 40
Which statement about the NETCONF content layer is true?
  • A. It uses JSON for RPC request and response payloads.
  • B. It uses YAML for RPC request and response payloads.
  • C. It uses XML for RPC request and response payloads.
  • D. It uses HTML for RPC request and response payloads.
Answer: C
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 # 41
......
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