Juniper Automation and DevOps JN0-221 Questions & Answers

• Question 31:

  What is an example of correct XML syntax?

  A. vMX1

  B. vMX1

  C. vMX1

  D. vMX1

  Correct Answer: B

  Reference: https://www.juniper.net/documentation/en_US/day-one-books/archive/ DO_Navigating_Junos_XML_Hierarchy.pdf

• Question 32:

  Click the Exhibit button.

  

  Referring to the exhibit, what is the output from the print(x) line?

  A. [`b', `c']

  B. [`b', `c', `d']

  C. [`a', `b', `c']

  D. [`a', `b']

  Correct Answer: C

• Question 33:

  Which Ansible Playbook play parameter will prevent the system from copying the playbook to the Junos devices?

  A. serial

  B. gather_facts

  C. environment

  D. connection

  Correct Answer: D

• Question 34:

  Click the Exhibit button.

  

  Referring to the exhibit, where would the junos.conf file be found?

  A. a directory on juniper_junos_config

  B. a directory located on R1

  C. a local directory on the Ansible control machine

  D. a directory on the device list in inventory_hostname

  Correct Answer: C

• Question 35:

  You are asked to develop a PyEZ application that will connect to multiple Junos devices using the XML API and perform an asset inventory.

  Which standards-based protocol should you use to perform this task?

  A. NETCONF

  B. THRIFT

  C. gRPC

  D. MQTT

  Correct Answer: A

  Reference: https://www.juniper.net/documentation/en_US/junos-pyez/topics/task/program/junos-pyez-rpcsexecuting.html

• Question 36:

  PyEZ supports which three connection methods? (Choose three.)

  A. Telnet

  B. RESTCONF

  C. REST

  D. console

  E. NETCONF

  Correct Answer: ADE

  Reference: https://www.juniper.net/documentation/en_US/junos-pyez/topics/task/program/junos-pyezconnection-methods.html#:~:text=Junos%20PyEZ%20Users.-,Connection%20Methods% 20Overview,CONSOLE%20port%20on%20a% 20device

• Question 37:

  Click the Exhibit button.

  

  Referring to the exhibit, which two statements are correct? (Choose two.)

  A. The configuration will be retrieved in JSON format

  B. The retrieved configuration will be from the Junos active configuration

  C. The retrieved configuration will be from the Junos candidate configuration

  D. The configuration will be retrieved in XML format

  Correct Answer: AC

• Question 38:

  According to the Manifesto for Agile Software Development, what is the highest priority?

  A. continuous attention to technical excellence and good design enhances quality

  B. a well-documented statement of work created before the development cycle begins

  C. on-time software releases based on a quarterly or semi-annual time frame

  D. customer satisfaction obtained through continuous delivery of valuable software

  Correct Answer: D

  Reference: https://airfocus.com/glossary/what-is-agile-manifesto/#:~:text=The%20highest%20priority%20is %20to,continuous%2C%20delivery%20of%20valuable%20software

• Question 39:

  Click the Exhibit button.

  { "interface": "ge-0/0/1.0" }

  Which type of data is contained in the key of the JSON object shown in the exhibit?

  A. string

  B. name

  C. integer

  D. interface

  Correct Answer: D

• Question 40:

  What are two examples of XPath axes? (Choose two.)

  A. grandchild

  B. sibling

  C. parent

  D. grandparent

  Correct Answer: BC

  Reference: https://www.juniper.net/documentation/en_US/junos/topics/concept/junos-script-automationxpath-overview.html