Juniper JN0-220 Online Practice Questions and Exam Preparation

Juniper JN0-220 Online Questions & Answers

• Question 1:

  Which development model is the classic approach to software development?

  A. Waterfall
  B. Scrum
  C. Kanban
  D. Lean
  A. Waterfall

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  explanation:

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

• Question 2:

  Which statement is correct about Ansible playbooks?

  A. A playbook is a configuration file that defines the Ansible related parameters
  B. A playbook contains one or more tasks written in XML
  C. A playbook can contain multiple tasks and execute multiple Python modules
  D. A playbook is a specific Python module that is executed on a host
  C. A playbook can contain multiple tasks and execute multiple Python modules

• Question 3:

  What is the correct command to enable the REST API Explorer on a Junos device?

  A. set system services rest http
  B. set system services web-management http
  C. set system services web-management webapi https default-certificate
  D. set system services rest enable-explorer
  D. set system services rest enable-explorer

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  explanation:

  Reference: https://www.juniper.net/documentation/en_US/junos/topics/example/rest-api-explorer-example.html

• Question 4:

  You are automating your Junos devices using NETCONF.

  Which two actions will help to accomplish this task? (Choose two.)

  A. Enable the NETCONF service
  B. Specify the YAML version
  C. Specify the transport protocol for NETCONF
  D. Enable SSH access for the root user
  A. Enable the NETCONF service
  C. Specify the transport protocol for NETCONF

• Question 5:

  Which service is needed for Ansible to function on a Junos device?

  A. FTP
  B. NETCONF
  C. HTTPS
  D. Telnet
  B. NETCONF

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  explanation:

  Reference: https://www.juniper.net/documentation/en_US/junos-ansible/topics/example/junos-ansible-playbooks-device-os-installing.html

• Question 6:

  Which statement is true regarding Python?

  A. To obtain functionality from a package, it must be imported using the Python keyword module
  B. A Python set is an ordered collection of unique elements
  C. Python 3.x is not fully backwards compatible with Python 2.x
  D. An object within a Python tuple can be modified
  C. Python 3.x is not fully backwards compatible with Python 2.x

• Question 7:

  Which pipe command is used to show the XML response to a Junos CLI command?

  A. | display xml
  B. | match xml
  C. | compare xml
  D. | find xml
  A. | display xml

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  explanation:

  Reference: https://books.google.com.pk/books?id=f1oPDAAAQBAJandpg=PA68andlpg=PA68anddq=pipe+command+is+used+to+show+the+XML+response+to+a+Junos+CLI +commandandsource=blandots=XouEscoYg2andsig=1VNyda1sh5Pt_15QrCZwv6CSv3wandhl=enandsa=Xandved=2ahUKEwih9rvC-KreAhVShxoKHanDCZAQ6AEwBHoECAEQAQ#v=onepageandq=pipe%20command%20is%20used%20to%20show% 20the%20XML%20response%20to%20a%20Junos%20CLI%20commandandf=false

• Question 8:

  You are asked to update a PyEZ script that will check for errors when connecting or loading configurations on a Junos device. Which two command statements should be added to the script to accomplish this task? (Choose two.)

  A. elseif statement
  B. try statement
  C. else statement
  D. except statement
  B. try statement
  D. except statement

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  explanation:

  Reference: https://www.juniper.net/documentation/en_US/junos-pyez/topics/example/junos-pyez-program-configuration-data-loading-from-file.html

• Question 9:

  Which two statements about the XML API are true? (Choose two.)

  A. The XML API can only be used by off-box automation tools
  B. The XML API on-box solutions leverage the NETCONF protocol
  C. The XML API can be used by on-box and off-box automation tools
  D. The XML API off-box solutions leverage the NETCONF protocol
  B. The XML API on-box solutions leverage the NETCONF protocol
  D. The XML API off-box solutions leverage the NETCONF protocol

• Question 10:

  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?

  A. user@router# show interfaces | find json
  B. user@router# show interfaces | display json
  C. user@router# show interfaces | except json
  D. user@router# show interfaces | match json
  B. user@router# show interfaces | display json