Automation and DevOps, Specialist (JNCIS-DevOps): JN0-420

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

module against a Junos device, the Ansible control machine generates the msg: unable to connect to

router1.example.com: ConnectRefusedError (router1.example.com) error.

What is the cause for this error?

A. router1.example.com was not defined in /etc/hosts on the control machine

B. Ansible cannot connect to the device through NETCONF

C. router1.example.com was not defined in /etc/ansible/inventory/hosts on the control machine

D. Ansible cannot authenticate to the device

In SLAX, what is the difference between the jcs:invoke () and the jcs:execute () functions?

A. RPCs called by jcs:execute () are executed within an existing connection

B. RPCs called by jcs:invoke () are executed within an existing connection

C. RPCs called by jcs:invoke () are not executed until the conclusion of the script

D. RPCs called by jcs:execute () are not executed until the conclusion of the script

Click the Exhibit button. Exhibit:

Your manager asks you to troubleshoot an Ansible problem when logging into a Junos device. You notice

the Ansible play in question has a vars_files argument that calls the variables.yml entry file. The contents

of that file are displayed in the exhibit.

What is happening in this scenario?

A. The file is an SSH key

B. The variables.yml file is not actually a YAML file

C. The file is encrypted with ansible-vault

D. The file is encrypted with ansible