JN0-420 Online Practice Questions and Answers

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

To which component(s) does the JET service APIs provide access?

A. YANG modules

B. XML APIs

C. control plane

D. forwarding plane

What is purpose of RubyEZ?

A. to provide a Ruby framework for interfacing with Juniper devices

B. to provide an off device interface to Ruby

C. to provide a Ruby interface to Juniper devices that support Puppet

D. to provide a Ruby interface to the Junos Space management product

Click the Exhibit button. Exhibit:

You are validating access to a Junos device using NETCONF and receive the response shown below.

Referring to the exhibit, how would you solve this issue?

A. Enable traceoptions under the NETCONF configuration hierarchy

B. Enable protocol-version v1 under the SSH configuration hierarchy

C. Enable outbound-ssh with services netconf under the SSH configuration hierarchy

D. Enable ssh under the NETCONF configuration hierarchy

What are three elements of a JET notification message? (Choose three)

A. time

B. severity

C. username

D. subscription type

E. hostname

In a Python commit script, which object provides the post-inheritance candidate configuration?

A. Commit-Script-Input

B. Junos_Configuration

C. Candidate_Configuration

D. Checkout_Configuration

What are two format distinctions to know when using YAML? (Choose two)

A. white space indentation sensitive

B. tab indentation not allowed

C. tab indentation allowed

D. white space indentation insensitive

A customer has a control machine with a default Ansible installation. During execution of an Ansible

module, the Ansible control machine generates the no hosts matched error.

Which statement is correct in this scenario?

A. The target device was not defined in /etc/ansible/inventory/hosts on the control machine

B. The target device was not defined on the associated DNS servers

C. The target device was not defined in /etc/hosts on the control machine

D. The target device was not defined in /etc/ansible/hosts on the control machine

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

A. Python

B. XSLT

C. SLAX

D. Java

E. PHP

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?

A. augment

B. deviation

C. case

D. choice