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Juniper JN0-420 Exam Actual Questions

The questions for JN0-420 were last updated on April 20, 2024.
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  • Viewing questions 1-4 out of 70 questions

Topic 1 - Single Topic

Question #1 Topic 1

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
Reveal Solution Hide Solution   Discussion   1

Correct Answer: C 🗳️
Reference: https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/rest-api-submitting-post-request.html

Question #2 Topic 1

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
Reveal Solution Hide Solution   Discussion   3

Correct Answer: BD 🗳️
References:
https://www.juniper.net/documentation/en_US/junos-ansible1.0/topics/example/junos-ansible-playbooks-device-zeroize.html https://www.juniper.net/documentation/en_US/junos-ansible1.0/topics/example/junos-ansible-playbooks-device-configuring.html

Question #3 Topic 1

Click the Exhibit button.
Exhibit:
Ansible playbook:

The r0 device is currently in a factory-default state. The console connection of r0 is reachable using Telnet on TCP port 555 of the console_server host.
Referring to the exhibit, which statement is true?

  • A. The device does not require configuration changes for the playbook to run successfully
  • B. The Telnet service must be configured for the playbook to run successfully
  • C. A password for the root user must be configured for the playbook to run successfully
  • D. The NETCONF service must be configured for the playbook to run successfully
Reveal Solution Hide Solution   Discussion  

Correct Answer: D 🗳️
Reference: http://docs.ansible.com/ansible/latest/junos_facts_module.html

Question #4 Topic 1

Click the Exhibit button.
Exhibit:

You are using RubyEZ to interact with a Junos device: however, you are not successfully connecting to the device.
Referring to the exhibit, what is the problem?

  • A. Argument passed to Netconf:: SSH.new statement must be referenced as variables
  • B. Netconf::SSH.new statement only expects an IP address of the target device
  • C. Netconf::SSH.new statement arguments must be hashes
  • D. A Junos::Ez::Provider statement is missing before the Netconf::SSH. New statement
Reveal Solution Hide Solution   Discussion   2

Correct Answer: A 🗳️

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