Download Automation and DevOps, Associate (JNCIA-DevOps).JN0-221.VCEplus.2020-11-24.63q.vcex

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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Demo Questions

Question 1
What is the advantage of using the REST API?
  1. The REST API enables Junos devices to participate in other REST management system environments
  2. The REST API is enabled by default on all Junos devices
  3. By default, the REST API retrieves data from a Junos device in CSV format
  4. 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
Reference: https://www.juniper.net/documentation/en_US/junos-space18.1/service-automation/topics/reference/general/junos-space-service-now-device-mgmt-overview.html
Question 2
 
Which type of file is shown in the exhibit?
  1. Puppet manifest
  2. XML file
  3. Ansible playbook
  4. 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
Reference: https://www.juniper.net/documentation/en_US/junos-ansible/topics/task/operational/junos-ansible-device-facts-retrieving.html
Question 3
Which code format is a valid example of an HTTPS get-interface-information method using the default port? 
  1. https://172.25.11.1:8443/api/get-interface-information 
  2. https://172.25.11.1:3443/get-interface-information
  3. https://172.25.11.1:3443/rpc/get-interface-information
  4. 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
Reference: https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/rest-api-submitting-post-request.html
Question 4
 
Which command produces the output shown in the exhibit?
  1. user@router> show version | display xml
  2. user@router# show version | display xml
  3. user@router> show version | display json
  4. 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
Reference: https://www.juniper.net/documentation/en_US/junos/topics/task/operational/junos-xml-protocol-rpcs-and-xml-mapping.html
Question 5
Junos PyEZ is a microframework used to operate the Junos OS using which language?
  1. Puppet
  2. Chef
  3. Python
  4. 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).
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).
Question 6
 
Referring to the exhibit, this snippet of code would represent which type of data?
  1. JSON object
  2. JSON array
  3. YAML sequence
  4. 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
Reference: https://www.juniper.net/documentation/en_US/junos-salt/topics/topic-map/junos-salt-configuration-loading-commiting.html
Question 7
 
Referring to the exhibit, which statement about the Ansible Playbook is correct?
  1. The Ansible Playbook will report a syntax error
  2. The Ansible Playbook execution will fail
  3. The Ansible Playbook will prompt for credentials
  4. The Ansible Playbook will execute successfully
Correct answer: C
Question 8
 
Referring to the exhibit, which two code blocks are an equivalent representation in JSON? (Choose two.)
  1. {"Routers":["r1","r2"],"Switches":[{"s1":[{"interface":"ge-0/0/0.0"}]}]}
  2. {"routers":["r1","r2"],"switches":[{"s1":[{"interface":"ge-0/0/0.0"}]}]}
Correct answer: BD
Question 9
What is the default port for NETCONF connections over SSH?
  1. 22
  2. 830
  3. 443
  4. 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
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
Question 10
Which two statements are correct about Junos PyEZ Tables and Views? (Choose two.)
  1. PyEZ Tables and Views are defined using YAML
  2. The juniper_junos_config module enables the use of PyEZ Tables and Views
  3. PyEZ Tables and Views are defined using CSV
  4. 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
Reference: https://www.juniper.net/documentation/en_US/junos-ansible/topics/topic-map/junos-ansible-data-retrieving-using-junos-pyez-tables.html
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