Access to Free JNCIS-DevOps JN0-422 Practice Questions and Answers

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Page 1 of 2

1. Click the Exhibit button.

What will executing the program shown in the exhibit retrieve from a Junos device?

the previous configuration changes of the device

the current software version on the device

the current memory utilization

the FPC inventory of the device

2. Which data serialization is used between RubyEZ and a Junos device?

OpenConfig

SNMP

automated CLI

XML

3. You want to enable an unsigned Python op script named inventory.py that will be stored on a local Junos device.

Which two commands are needed to accomplish this task? (Choose two.)

A)

Option A

Option B

Option C

Option D

4. Click the Exhibit button.

Referring to the exhibit, what are two results of the Python operational script? (Choose two.)

It deactivates a user-selected interface.

It commits the configuration

It does not commit the configuration

It disables a user-selected interface.

Referring to the exhibit, the configuration components are displayed in which format?

XML

YANG

YAML

JSON

6. Click the Exhibit button.

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

a commit script

an op script

an event script

an SNMP script

7. Which statement describes the purpose of Ansible roles?

A collection of hosts that have been categorized by purpose.

A collection of permissions for users of your Ansible setup.

A collection of tasks to be run on a given set of hosts.

A collection of Ansible playbooks.

8. You want to push a configuration onto a Junos device without using NETCONF.

Which two will accomplish this task? (Choose two.)

JET

JSNAPy

Ansible

ZTP

9. Click the Exhibit button.

Referring to the exhibit, which exception is raised if the <get-interface-information> RPC tasks 40 seconds to return a complete response?

A)

Option A

Option B

Option C

Option D

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

hostname

time

username

severity

subscription type

Page 2 of 2

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

SLAX

Python

xlst

PHP

12. 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

What is the cause for this error?

Ansible cannot authenticate to the device.

Ansible cannot connect to the device through NTETCONF

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

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

13. Click the Exhibit button.

You are using RubyEZ to interface with a Junos device, however, you are not successfully connecting to the device.

Referring to the exhibit, what is the problem?

A Junos::Ez::Provider statement is missing before the Netconf::SS

nw statement.

Netconf::SS

new statement arguments must be hashes.

Netconf::SS

new statement only expects an IP address of the target device.

Arguments passed to Netconf::SS

new statement must be referenced as variables.

14. With the inclusion of Python in the Junos OS, what is an advantage that this feature provides administrators?

The ability to compile Python scripts on the device.

The ability to execute Python scripts on the device.

It provides compatibility with all Python versions.

It provides the Python command line (REPL) for testing

15. Click the Exhibit button.

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?

Log in with another NETCONF session and enter the <rpc><kill-session>< session -id>user02</session-id></kill-session></rpc]]>]]> command.

Login with another NETCONF session and enter the <rpc><kill-session>< session -id>8099</session-id></kill-session></rpc]]>]]> command.

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

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

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

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

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

17. What are three types of Juniper on-box scripts? (Choose three)

Ansible

event

commit

operational

expect