JN0-221: Automation and DevOps, Associate (JNCIA-DevOps)

What is the advantage of using the REST API?

The REST API enables Junos devices to participate in other REST management system environments
The REST API is enabled by default on all Junos devices
By default, the REST API retrieves data from a Junos device in CSV format
By default, the REST API retrieves data from a Junos device in HTML format

Correct answer: C

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos-space18.1/service-automation/topics/reference/general/junos-space-service-now-device-mgmt-overview.html

Which type of file is shown in the exhibit?

Puppet manifest
XML file
Ansible playbook
XSLT file

Correct answer: C

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos-ansible/topics/task/operational/junos-ansible-device-facts-retrieving.html

Which code format is a valid example of an HTTPS get-interface-information method using the default port?

https://172.25.11.1:8443/api/get-interface-information
https://172.25.11.1:3443/get-interface-information
https://172.25.11.1:3443/rpc/get-interface-information
https://172.25.11.1/api/get-interface-information:3443

Correct answer: C

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/rest-api-submitting-post-request.html

Which command produces the output shown in the exhibit?

user@router> show version | display xml
user@router# show version | display xml
user@router> show version | display json
user@router> show version | display xml rpc

Correct answer: A

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos/topics/task/operational/junos-xml-protocol-rpcs-and-xml-mapping.html

Junos PyEZ is a microframework used to operate the Junos OS using which language?

Puppet
Chef
Python
Ruby

Correct answer: C

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos-pyez/topics/concept/junos-pyez-overview.html#:~:text=Junos%20PyEZ%20is%20a%20microframework,operating%20system%20(Junos%20OS).

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

JSON object
JSON array
YAML sequence
YAML mapping

Correct answer: A

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos-salt/topics/topic-map/junos-salt-configuration-loading-commiting.html

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

The Ansible Playbook will report a syntax error
The Ansible Playbook execution will fail
The Ansible Playbook will prompt for credentials
The Ansible Playbook will execute successfully

Correct answer: C

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

{"Routers":["r1","r2"],"Switches":[{"s1":[{"interface":"ge-0/0/0.0"}]}]}
{"routers":["r1","r2"],"switches":[{"s1":[{"interface":"ge-0/0/0.0"}]}]}

Correct answer: BD

What is the default port for NETCONF connections over SSH?

22
830
443
8080

Correct answer: A

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/port-edit-system-services-netconf.html#:~:text=The%20default%20SSH%20port%20(22,in%20the%20login%20event%20script

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

PyEZ Tables and Views are defined using YAML
The juniper_junos_config module enables the use of PyEZ Tables and Views
PyEZ Tables and Views are defined using CSV
The juniper_junos_table module enables the use of PyEZ Tables and Views

Correct answer: AD

Explanation:

Reference: https://www.juniper.net/documentation/en_US/junos-ansible/topics/topic-map/junos-ansible-data-retrieving-using-junos-pyez-tables.html

Vendor:	Juniper
Exam Code:	JN0-221
Exam Name:	Automation and DevOps, Associate (JNCIA-DevOps)
Date:	Nov 24, 2020
File Size:	2 MB

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