JN0-421 Exam Training Practice Tests (Juniper Automation and DevOps, Specialist (JNCIS-DevOps))]

Question 1

Which format does an Ansible playbook use?

A. JSON B. YAML C. CSV D. XML

Correct Answer: B

Question 2

Click the Exhibit button.
Exhibit:

You are validating access to a Junos device using NETCONF and receive the response shown below.

Referring to the exhibit, how would you solve this issue?

A. Enable ssh under the NETCONF configuration hierarchy B. Enable traceoptions under the NETCONF configuration hierarchy C. Enable protocol-version v1 under the SSH configuration hierarchy D. Enable outbound-ssh with services netconf under the SSH configuration hierarchy

Correct Answer: A

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Question 3

What are three supported languages for operational scripts on Junos devices? (Choose three)

A. SLAX B. PHP C. Java D. XSLT E. Python

Correct Answer: A,D,E

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Question 4

You are writing a SLAX op script to provide a customized rendition of the show interface output. You want to include a command-line argument named interface and provide it with the default value of fxp0.
Which code snippet accomplishes this goal?

A. argument $interface = "fxp0"; B. $interface = "fxp0"; C. param $interface = "fxp0"; D. default $interface = "fxp0";

Correct Answer: C

Question 5

What is the purpose of an __init__.py file?

A. An __init__.py file indicates to the Python interpreter that a directory contains Python packages or modules B. An __init__.py file initializes a Python application with default values for instantiated objects C. __init__.py file sets all magic attributes with the __init__.prefix with the appropriate default values D. An __init__.py file contains strings for additional directories that the Python interpreter adds to sys.path
[]

Correct Answer: A

Question 6

With which three processes does the JET service process communicate? (Choose three)

A. mgd B. snmpd C. rpd D. ancpd E. cosd

Correct Answer: A,B,C

Question 7

Click the Exhibit button.
Exhibit:

An automation developer is using command-line scripting and wants to briefly survey NETCONF capabilities before running a new task.
Referring to the exhibit, how does the automation developer end the current NETCONF session and go to the next one?

A. Use the <rpc><close-session></close-session></rpc> command. B. Use the <rpc><kill-session></kill-session></rpc> command. C. Use the quit command D. Use the logout command

Correct Answer: A

Juniper Automation and DevOps, Specialist (JNCIS-DevOps) - JN0-421 Exam Practice Test