Juniper Automation and DevOps JN0-220 Questions & Answers

• Question 1:

  Which development model is the classic approach to software development?

  A. Waterfall

  B. Scrum

  C. Kanban

  D. Lean

  Correct Answer: A

  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

  Correct Answer: C

• 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

  Correct Answer: D

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

  Correct Answer: AC

• Question 5:

  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

  Correct Answer: C

• Question 6:

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

  A. FTP

  B. NETCONF

  C. HTTPS

  D. Telnet

  Correct Answer: B

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

• 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

  Correct Answer: A

  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=2a hUKEwih9rvC-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

  Correct Answer: BD

  Reference: https://www.juniper.net/documentation/en_US/junos-pyez/topics/example/junos-pyez-programconfiguration-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

  Correct Answer: BD

• 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

  Correct Answer: B