Juniper Juniper Certifications JN0-420 Questions & Answers

• Question 61:

  Which two statements are correct about JSON characteristics? (Choose two)

  A. JSON is a supported template language

  B. JSON is easy to read for humans and devices

  C. JSON uses ## for comments

  D. JSON is programming language independent

  Correct Answer: BD

• Question 62:

  Click the Exhibit button. Exhibit:

  

  Where would the Python code shown in the exhibit be used?

  A. a commit script

  B. an op script

  C. an event script

  D. an SNMP script

  Correct Answer: D

  Reference: https://www.juniper.net/documentation/en_US/junos/topics/reference/scripting/junos-scriptautomation-function-jcs-get-snmp-action.html

• Question 63:

  Click the Exhibit button. Exhibit:

  

  While using NETCONF, the developer attempts to lock the configuration, but the error shown in the exhibit

  is received. The developer verifies no one else is configuring the device.

  According to Juniper, how would you clear the error in this scenario?

  A. Log in with another NETCONF session, reboot the instance, and save the original configuration

  B. Log in with another NETCONF session and enter the 8099]]>]] command

  C. Log in with another NETCONF session and enter the 8099]]>]]> command

  D. Log in with another NETCONF session and enter the user02]]>]]> command

  Correct Answer: A

• Question 64:

  Which command is valid for accessing a Junos device using the RESTful API on the default port?

  A. curl http://192.168.1.1/rpc/get-interface-information?interface-name=1o0 –u “user:pass123”

  B. curl http://user:[email protected]/rpc/get-interface-information?interface-name=1o0

  C. curl –u “user:pass123” http://192.168.1.1:80/rpc/get-interface-information?interface-name=1o0

  D. curl http://user:[email protected].:3000/rpc/get-interface-information?interface-name=1o0

  Correct Answer: C

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

• Question 65:

  You need to reset all Junos systems in your lab to their factory-default state and then push a new

  configuration to the device.

  Which two Ansible modules would your playbook use to accomplish this task? (Choose two)

  A. junos_system_services

  B. junos_zeroize

  C. junos_get_facts

  D. junos_install_config

  Correct Answer: BD

  References: https://www.juniper.net/documentation/en_US/junos-ansible1.0/topics/example/junos-ansible-playbooksdevice-zeroize.html https://www.juniper.net/documentation/en_US/junos-ansible1.0/topics/example/junos-ansible-playbooksdevice-configuring.html