JN0-223 Free Certification Exam Material from Easy4Engine with 68 Questions
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NEW QUESTION # 32
Which statement about element nodes is correct?
- A. Only a single root element node is allowed
- B. Element nodes cannot be nested in other element nodes
- C. Element nodes only consist of a single line of code
- D. Only the root element node can contain other element nodes
Answer: A
Explanation:
https://en.wikipedia.org/wiki/Root_element#:~:text=Each%20XML%20document%20has%20exactly, is%20the%20element.
NEW QUESTION # 33
While conducting an automation test, you must issue a command using the curl tool to request the text formatted output from the show interfaces ge-0/0/0 terse command.
In this scenario, which command would you use?
- A. curl ""u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information@format=text&interface-name=ge-0/0/0?terse="
- B. curl ""u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information@format=text?interface-name=ge-0/0/0&terse="
- C. curl ""u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information@interface-name=ge-0/0/0?terse="
- D. curl ""u "lab:lab123" "http://10.210.10.155:3000/rpc/get-interface-information&format=text&interface-name=ge-0/0/0&terse="
Answer: B
NEW QUESTION # 34
Which character is used to separate multiple parameters in a single REST API call?
- A. #
- B. &
- C. ?
- D. =
Answer: B
Explanation:
Reference: https://www.juniper.net/documentation/en_US/junos-space-sdk/13.1/apiref/ com.juniper.junos_space.sdk.help/html/reference/Commonbehav.html
NEW QUESTION # 35
Which two statements about Junos automation are correct? (Choose two.)
- A. The Junos REST API client is off-box.
- B. The Junos REST API client is on-box.
- C. Junos automation allows for device provisioning through the console port.
- D. Junos automation does not allow for device provisioning throuqh the console port.
Answer: B,C
Explanation:
* A. The Junos REST API client is on-box:The Junos REST API ison-box, meaning it is hosted directly on the Junos OS device. This allows you to interact with the device through RESTful API calls without needing an external client to act as an intermediary. With the on-box REST API, users can manage and automate configuration and operational tasks directly from the Junos device itself using HTTP/HTTPS protocols. This simplifies automation and remote management since the API server is embedded within the device.
Key Automation Capabilities of On-box REST API:
* Supports configuration, monitoring, and operational commands.
* Allows for direct device interaction via tools like curl, or through custom-built automation scripts.
NEW QUESTION # 36
Which set of DevOps CAUMS values is correct?
- A. Continuous, Assimilation, Learn, Morning, and Scientific
- B. Control, Automation, Learn, Methodology, and Support
- C. Coordinate, Acculturation. Lean, Mentoring, and Society
- D. Culture Automation, Lean, Measurement, and Sharing
Answer: B
NEW QUESTION # 37
Which two processes does Junos automation use? (Choose two.)
- A. jsd
- B. dcd
- C. mgd
- D. chassisd
Answer: A,C
Explanation:
Reference: https://coggle.it/diagram/XW0atWn5-1ccZJer/t/junos-automation-stack
NEW QUESTION # 38
What are two data structures in JSON? (Choose two.)
- A. number
- B. array
- C. string
- D. object
Answer: B,C
NEW QUESTION # 39
Exhibit.
Referring to the exhibit, which two statements about the script are correct? (Choose two.)
- A. The script retrieves the interface configuration in XML
- B. The script retrieves the interface configuration in JSON.
- C. The script prints the name of each configured interface.
- D. The script prints interface information for each interface name.
Answer: B,C
NEW QUESTION # 40
What is a valid JSON object?
- A. { ''vmx-1: 172.25.11.1''}
- B. { ''vmx-1'', ''172.25.11.1''}
- C. { ''hostname'' : ''vmx-1''}
- D. ''hostname:vmx-1''
Answer: C
NEW QUESTION # 41
Which two programming languages have a NETCONF library supported by Juniper Networks? (Choose two.)
- A. Go
- B. SLAX
- C. Ruby
- D. Python
Answer: A,D
Explanation:
Juniper Networks supports NETCONF libraries for several programming languages, including:
Python (B): Python has a well-supported NETCONF library called ncclient, which is widely used for automating network configurations across Junos devices.
Go (C): Go also has a NETCONF library (go-netconf), which provides similar functionalities for managing Junos devices.
Ruby (A) and SLAX (D) do not have widely recognized or supported NETCONF libraries directly from Juniper Networks, making Python and Go the correct choices.
Reference:
Juniper Networks NETCONF Documentation: Lists supported programming languages and libraries for interacting with NETCONF on Junos devices.
ncclient Documentation: The primary Python library for working with NETCONF.
NEW QUESTION # 42
You are asked to use the REST API to retrieve interface configuration information from your Junos device. You decide to use a cURL HTTP GET command to retrieve this information.
In this scenario, which two statements are correct? (Choose two.)
- A. You must have SSH enabled on the Junos device.
- B. You must Include the authentication Information with each request.
- C. You can retrieve this data in XML or JSON formats.
- D. You can retrieve this data in HTML or JSON formats.
Answer: B,C
Explanation:
When using the REST API to retrieve interface configuration information from a Junos device:
Data Formats (C): The information can be retrieved in XML or JSON formats. These are the two standard data formats supported by the Junos REST API for representing configuration and operational data.
Authentication (D): For each HTTP request, especially when using tools like cURL, authentication information must be included. This is typically done using basic authentication (username and password) or an authentication token.
Option A is incorrect because HTML is not a supported format for REST API data retrieval in Junos, and Option B is incorrect because SSH is not required for REST API requests; the REST API typically uses HTTP/HTTPS.
Reference:
Junos REST API Documentation: Details the data formats (XML, JSON) supported by the Junos REST API and the need for authentication.
cURL Usage with REST API: Provides examples of how to use cURL with Junos REST API, including the necessity of providing authentication.
NEW QUESTION # 43
Which XML feature is used to ensure that elements defined in multiple schemas would be used in the same document without conflicts?
- A. Predicates
- B. Namespaces
- C. Selectors
- D. Attributes
Answer: D
NEW QUESTION # 44
Exhibit.
Which type of data maps to the position key shown in the exhibit?
- A. Boolean
- B. string
- C. position
- D. integer
Answer: C
NEW QUESTION # 45
You are asked to use the REST API to retrieve interface configuration information from your Junos device. You decide to use a cURL HTTP GET command to retrieve this information.
In this scenario, which statement is correct?
- A. The request is handled by the mod process running on the Junos device.
- B. The request is handled by the isd process running on the Junos device
- C. The request is handled by the rpd process running on the Junos device.
- D. The request is handled by the isrpd process running on the Junos device.
Answer: D
Explanation:
When using the REST API on a Junos device, the isrpd (Integrated Service Routing Process Daemon) process is responsible for handling REST API requests. This process listens for incoming HTTP requests and processes them accordingly, including retrieving interface configuration information when a GET request is made.
Option B is correct because the isrpd process handles the REST API requests on a Junos device.
Options A (mod process), C (rpd process), and D (isd process) are incorrect in this context as they either do not exist or serve different purposes on a Junos device.
Supporting Reference:
Juniper Networks REST API Documentation: Provides insights into how REST API requests are managed and processed by the isrpd process on Junos devices.
NEW QUESTION # 46
What are two examples of XPath axes? (Choose two.)
- A. grandparent
- B. sibling
- C. grandchild
- D. parent
Answer: B,D
Explanation:
Reference: https://www.juniper.net/documentation/en_US/junos/topics/concept/junos-script- automation-xpathoverview.html
NEW QUESTION # 47
Exhibit.
You have the configuration shown in the exhibit, but are unable to access the REST API Explorer.
Which configuration is necessary to solve this problem?
- A. Configure a firewall filter to explicitly permit SSH.
- B. Configure an IPv4 address on ge-0/0/0 0.
- C. Configure the rest service to be active on port 80.
- D. Configure a secondary IPv6 address on ge-0/0/0.0.
Answer: D
NEW QUESTION # 48
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