Juniper JN0-222 Certification All-in-One Exam Guide Jul-2022 [Q15-Q35]

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Juniper JN0-222 Certification All-in-One Exam Guide Jul-2022

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Juniper JN0-222 Exam Certification Details:

Sample Questions	Juniper JN0-222 Sample Questions
Exam Code	JN0-222 JNCIA-DevOps
Recommended Training	Introduction to Junos Platform Automation and DevOps (IJAUT)
Number of Questions	65

Juniper JN0-222 Exam Topics:

Section	Objectives
Junos Automation Stack and DevOps Concepts	Identify concepts and general features of Junos automation or DevOps Automation tools Automation frameworks Automation APIs DevOps culture, practices, and tools
Data Serialization	Identify the concepts, benefits, or operation of data serialization YAML JSON

Section

Objectives

Junos Automation Stack and DevOps Concepts

Identify concepts and general features of Junos automation or DevOps

Automation tools
Automation frameworks
Automation APIs
DevOps culture, practices, and tools

Data Serialization

Identify the concepts, benefits, or operation of data serialization

YAML
JSON

NO.15 Exhibit.

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

The Junos configuration database is automatically locked and unlocked.

The connection to the Junos device is explicitly opened and closed

The connection to the Junos device is automatically opened and closed

The Junos configuration database is explicitly locked and unlocked

NO.16 Exhibit.

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

The module in the first task is maintained by Juniper.

The module in the first task in maintained by Ansible.

The Ansible play in the exhibit modifies and outputs the device hostname.

The Ansible play in the exhibit outputs but does not modify the device hostname.

NO.17 Your organization is developing an application to automate management of Junos network appliances. You want to use the existing PyEZ libraries to improve the development process.
Which API would satisfy this requirement?

REST API

JETAPI

RPC API

XML API

NO.18 What are two examples of XPath axes? (Choose two.)

grandchild

sibling

parent

grandparent

NO.19 Exhibit.

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

All routers are part of the routers group.

router1 and router2 are excluded from the routers group.

router1 and router2 are included in the routers group.

Only router3 is included in the routers group

NO.20 Exhibit.

Referring to the exhibit, which two code blocks are an equivalent representation in JSON?

{“Routers”:[“r1″,”r2″],”Switches”:[{“s1”:[{“interface”:”ge-0/0/0.0″}]}]}

{“routers”:[“r1″,”r2″],”switches”:[{“s1”:[{“interface”:”ge-0/0/0.0″}]}]}

NO.21 Which Python code block is an example of a context manager?

while True: device – Device(host-“vmx-1”, user-“lab”, passwd-“lab123”)…

try: device – Device(host-“vmx-1”, user-“lab”, passwd-“lab123”)… except: print(“Unable to connect to the vMX1”)

with Device(host=”vmx-1″, user=”lab”, passwd=”lab123″) as device:…

for host in [“vmx-1”, “vmx-2”]: device – Device(host-host, user-“lab”, passwd-“lab123”)…

NO.22 Which development model is the classic approach to software development?

Waterfall

Scrum

Kanban

Lean

Reference: https://searchsoftwarequality.techtarget.com/definition/waterfall-model

NO.23 Exhibit.

What is the purpose of the G character shown in the exhibit?

The G sign is a JSON object that holds XML elements from the Junos configuration segment.

The 0 sign is a JSON object that holds XML attributes from the Junos configuration segment.

The 0 sign is a JSON array that holds Xf.1L attributes from the Junos configuration segment.

The e sign is a JSON array that holds XML elements from the Junos configuration segment.

NO.24 Exhibit

Referring to the exhibit, what is the output from the print(x) line?

[‘b’, ‘c’]

[‘b’, ‘c’, ‘d’]

[‘a’, ‘b’, ‘c’]

[‘a’, ‘b’]

Explanation
Python 3.6.9 (default, Jan 26 2021, 15:33:00)
[GCC 8.4.0] on linux
Type “help”, “copyright”, “credits” or “license” for more information.
>>> my_list = [“a”, “b”, “c”, “d”, “e”, “f”, “g”]
>>> x = my_list[1:3]
>>> print(x)
[‘b’, ‘c’]
>>>

NO.25 Exhibit.

Referring to the exhibit, what is the function of the register key?

to set an input value for the juniper_junos_rpc module

to configure a global setting for the playbook

to define a variable containing the return value from the module

to print a result to standard out

NO.26 Which statement is correct about the Junos XML API?

The API uses NETCONF for off-box automation.

The API is only executed when a configuration is committed

The API uses HTTPS for securing off-box automation.

The API only works for on-box automation tools.

NO.27 What is the default port for NETCONF connections over SSH?

8080

830

433

NO.28 Which Python code block is an example of an context manager?
A)

B)

C)

D)

Option A

Option B

Option C

Option D

NO.29 You are asked to gather interface information from a Junos device. Your environment supports the JSON
format. To determine how interface information is represented, you decide to view all of the configured
interface key-value pairs in the current Junos candidate configuration.
In this scenario, which command will provide the information that you need?

user@router# show interfaces | find json

user@router# show interfaces | display json

user@router# show interfaces | except json

user@router# show interfaces | match json

NO.30 In Phython, my_list = [ 1, 2, 3] is an example of which type of operation?

Assignment

Membership

bitwise

comparison

NO.31 Exhibit.

Referring to the exhibit, which XPath statement would retrieve the commit-user attribute in the candidate
configuration?