JN0-221 Online Practice Questions and Answers

What is the advantage of using the REST API?

A. The REST API enables Junos devices to participate in other REST management system environments

B. The REST API is enabled by default on all Junos devices

C. By default, the REST API retrieves data from a Junos device in CSV format

D. By default, the REST API retrieves data from a Junos device in HTML format

Click the exhibit button.

Which type of file is shown in the exhibit?

A. Puppet manifest

B. XML file

C. Ansible playbook

D. XSLT file

Click the Exhibit button.

Referring to the exhibit, this snippet of code would represent which type of data?

A. JSON object

B. JSON array

C. YAML sequence

D. YAML mapping

Click the Exhibit button.

Referring to the exhibit, which statement about the Ansible Playbook is correct?

A. The Ansible Playbook will report a syntax error

B. The Ansible Playbook execution will fail

C. The Ansible Playbook will prompt for credentials

D. The Ansible Playbook will execute successfully

What is the default port for NETCONF connections over SSH?

A. 22

B. 830

C. 443

D. 8080

Which two statements are correct about Junos PyEZ Tables and Views? (Choose two.)

A. PyEZ Tables and Views are defined using YAML

B. The juniper_junos_config module enables the use of PyEZ Tables and Views

C. PyEZ Tables and Views are defined using CSV

D. The juniper_junos_table module enables the use of PyEZ Tables and Views

As part of an application to manage network devices, you must query hundreds of network devices and return the unique set of IP prefixes blocked by configured firewall filters. To accomplish this task, you will require a mutable data type that contains unordered, unique elements.

Which Python data type will fulfill these requirements?

A. dictionaries

B. lists

C. tuples

D. sets

Click the Exhibit button.

Referring to the exhibit, what will be two results of this playbook before saving it to a file? (Choose two.)

A. to include everything but the system/services

B. to retrieve the committed configuration

C. to include only the system/services

D. to retrieve the candidate configuration

Which two statements about DevOps are correct? (Choose two.)

A. DevOps is a methodology that allows for frequent, quick modifications

B. DevOps is a methodology that ensures that collaboration does not occur across organizational boundaries

C. DevOps is a methodology used to develop software or systems D. DevOps is a methodology that is limited to small codebase development

Which two Python packages use NETCONF to interact with Junos devices? (Choose two.)

A. numpy

B. jsnapy

C. junos-eznc

D. pyyaml

What are two examples of XPath axes? (Choose two.)

A. grandchild

B. sibling

C. parent

D. grandparent

Click the Exhibit button.

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

A. The configuration will be retrieved in JSON format

B. The retrieved configuration will be from the Junos active configuration

C. The retrieved configuration will be from the Junos candidate configuration

D. The configuration will be retrieved in XML format

Click the Exhibit button.

In the XML output shown in the exhibit, what is the full XPath for the IP address of the interface?

A. /interface/unit/family/inet/address

B. /configuration/interface/unit/family/inet/address

C. /configuration/interfaces/interface/unit/family/inet/address/name

D. /interfaces/interface/unit/family/inet/address

Which XML shorthand notation is used when no data exists between tags?

A.

B.

C.

D.

Which statement about using Ansible with a Junos device is correct?

A. Ansible modules are executed on the control server

B. SFTP must be used to allow communication between the Ansible control server and the Junos device

C. An Ansible agent must be installed and running on the Junos device

D. An Ansible playbook is a set of tasks written in XML