JN0-420 Exam Questions

Which YAML document represents a valid mapping (dictionary) of sequences (lists)?

What are three supported languages for operational scripts on Junos devices? (Choose three)

Click the Exhibit button. Exhibit: What will executing the program shown in the exhibit retrieve from a Junos device?

Click the Exhibit button. Exhibit: Junos Event Policy Configuration Referring to the exhibit. What will the hostname be if interface ge-0/0/0 goes down?

By default, Python event scripts and SNMP scripts configured on a Junos device execute as which user?

Which statement describes the purpose of Ansible roles?

Click the Exhibit button. Exhibit: Referring to the exhibit, what is the execution order of tasks in the Ansible playbook?

Which data serialization method does the Junos CLI use to communicate with the Junos management process (mgd)?

Which pair of daemons in the Junos OS handle automation?

Click the Exhibit button. Exhibit: Referring to the exhibit, which Python statement selects the <user-entry> element for the user logged in on the pts/2 TTY?

You want to implement a function that is available in the Junos OS , but not defined in a standard model. Which statement would you use with YANG to accomplish this task?

Your organization is creating a custom YANG module. You are asked to create a leaf node called timeout with a data type of duration. In this scenario, what is the appropriate synta...

Click the Exhibit button. Exhibit: Referring to the exhibit, what should <CHANGEME> be replaced with to correctly print out the exception message Cannot connect to device?

Using the RESTful API on a Junos device, you are able to retrieve configuration information in which three formats? (Choose three)

Click the Exhibit button. Exhibit: Referring to the exhibit, the configuration components are displayed in which format?