Amazon
Avaya
Cisco
CompTIA
CrowdStrike
EC-Council
EXIN
Fortinet
Google
ISC
ISC2
ITIL
Juniper
Microsoft
NVIDIA
Okta
Palo Alto Networks
Salesforce
SAP
ServiceNow
All Vendors
  1. Home
  2. Juniper
  3. JN0-421

Juniper JN0-421 Exam (page: 1)
Juniper Automation and DevOps Specialist (JNCIS-DevOps)
Updated on: 31-Mar-2026

Viewing Page 1 of 14
JN0-421 PDF 65 Questions

Which command is valid for accessing a Junos device using the RESTful API on the default port?









Answer(s): C



You need to reset all Junos systems in your lab to their factory-default state and then push a new configuration to the device.
Which two Ansible modules would your playbook use to accomplish this task? (Choose two)

  1. junos_system_services
  2. junos_zeroize
  3. junos_get_facts
  4. junos_install_config

Answer(s): B,D


Reference:

https://www.juniper.net/documentation/en_US/junos-ansible1.0/topics/example/junos-ansible- playbooks-device-zeroize.html https://www.juniper.net/documentation/en_US/junos-ansible1.0/topics/example/junos-ansible- playbooks-device-configuring.html



Click the Exhibit button.
Exhibit:
Ansible playbook:



The r0 device is currently in a factory-default state. The console connection of r0 is reachable using Telnet on TCP port 555 of the console_server host.
Referring to the exhibit, which statement is true?

  1. The device does not require configuration changes for the playbook to run successfully
  2. The Telnet service must be configured for the playbook to run successfully
  3. A password for the root user must be configured for the playbook to run successfully
  4. The NETCONF service must be configured for the playbook to run successfully

Answer(s): D



Click the Exhibit button.
Exhibit:



You are using RubyEZ to interact with a Junos device: however, you are not successfully connecting to the device.
Referring to the exhibit, what is the problem?

  1. Argument passed to Netconf:: SSH.new statement must be referenced as variables
  2. Netconf::SSH.new statement only expects an IP address of the target device
  3. Netconf::SSH.new statement arguments must be hashes
  4. A Junos::Ez::Provider statement is missing before the Netconf::SSH. New statement

Answer(s): A



Click the Exhibit button.
Exhibit:



How would you test the configuration snippet shown in the exhibit?

  1. Use the root@router% logger SSHD_LOGIN_FAILED command
  2. Use the root@router% logger -e SSHD_LOGIN_FAILED command
  3. Use the root@router% test SSHD_LOGIN_FAILED command
  4. Use the root@router% event SSHD_LOGIN_FAILED command

Answer(s): B



Viewing Page 1 of 14



Share your comments for Juniper JN0-421 exam with other users:

Pie 9/3/2023 4:56:00 AM

will it help?
INDIA


Lucio 10/6/2023 1:45:00 PM

very useful to verify knowledge before exam
POLAND


Ajay 5/17/2023 4:54:00 AM

good stuffs
Anonymous


TestPD1 8/10/2023 12:19:00 PM

question 17 : responses arent b and c ?
EUROPEAN UNION


Nhlanhla 12/13/2023 5:26:00 AM

just passed the exam on my first try using these dumps.
Anonymous


Rizwan 1/6/2024 2:18:00 AM

very helpful
INDIA


Yady 5/24/2023 10:40:00 PM

these questions look good.
SINGAPORE


Kettie 10/12/2023 1:18:00 AM

this is very helpful content
Anonymous


SB 7/21/2023 3:18:00 AM

please provide the dumps
UNITED STATES


David 8/2/2023 8:20:00 AM

it is amazing
Anonymous


User 8/3/2023 3:32:00 AM

quesion 178 about "a banking system that predicts whether a loan will be repaid is an example of the" the answer is classification. not regresion, you should fix it.
EUROPEAN UNION


quen 7/26/2023 10:39:00 AM

please upload apache spark dumps
Anonymous


Erineo 11/2/2023 5:34:00 PM

q14 is b&c to reduce you will switch off mail for every single alert and you will switch on daily digest to get a mail once per day, you might even skip the empty digest mail but i see this as a part of the daily digest adjustment
Anonymous


Paul 10/21/2023 8:25:00 AM

i think it is good question
Anonymous


Unknown 8/15/2023 5:09:00 AM

good for students who wish to give certification.
INDIA


Ch 11/20/2023 10:56:00 PM

is there a google drive link to the images? the links in questions are not working.
AUSTRALIA


Joey 5/16/2023 5:25:00 AM

very promising, looks great, so much wow!
Anonymous


alaska 10/24/2023 5:48:00 AM

i scored 87% on the az-204 exam. thanks! i always trust
GERMANY


nnn 7/9/2023 11:09:00 PM

good need more
Anonymous


User-sfdc 12/29/2023 7:21:00 AM

sample questions seems good
Anonymous


Tamer dam 8/4/2023 10:21:00 AM

huawei is ok
UNITED STATES


YK 12/11/2023 1:10:00 AM

good one nice
JAPAN


de 8/28/2023 2:38:00 AM

please continue
GERMANY


DMZ 6/25/2023 11:56:00 PM

this exam dumps just did the job. i donot want to ruffle your feathers but your exam dumps and mock test engine is amazing.
UNITED KINGDOM


Jose 8/30/2023 6:14:00 AM

nice questions
PORTUGAL


Tar01 7/24/2023 7:07:00 PM

the explanation are really helpful
Anonymous


DaveG 12/15/2023 4:50:00 PM

just passed my exam yesterday on my first attempt. these dumps were extremely helpful in passing first time. the questions were very, very similar to these questions!
Anonymous


A.K. 6/30/2023 6:34:00 AM

cosmos db is paas not saas
Anonymous


S Roychowdhury 6/26/2023 5:27:00 PM

what is the percentage of common questions in gcp exam compared to 197 dump questions? are they 100% matching with real gcp exam?
Anonymous


Bella 7/22/2023 2:05:00 AM

not able to see questions
Anonymous


Scott 9/8/2023 7:19:00 AM

by far one of the best sites for free questions. i have pass 2 exams with the help of this website.
CANADA


donald 8/19/2023 11:05:00 AM

excellent question bank.
Anonymous


Ashwini 8/22/2023 5:13:00 AM

it really helped
Anonymous


sk 5/13/2023 2:07:00 AM

excelent material
INDIA