JN0-421 Updated Exam Dumps [2023] Practice Valid Exam Dumps Question [Q21-Q45]

Q21. 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?

Q22. Click the Exhibit button.
Exhibit:

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

Q23. You want to implement a function that is available in the Junson OS, but not defined in a standard model.
Which statement would you use with YANG to accomplish this task?

Q24. What are two attributes of the jsd JET service process? (Choose two.)

Q25. Click the Exhibit button.
Exhibit:

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

Q26. You have created an on-box script and want to deploy it on your device. You plan to place it in a directory where the Junson OS can execute it.
Which two privilege levels would be used to accomplish this task? (Choose two.)

Q27. 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?

Q28. By default, Python event scripts and SNMP scripts configured on a Junos device execute as which user?

Q29. What are three supported languages for operational scripts on Junos devices? (Choose three)

Q30. 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?

Q31. Click the Exhibit button.

You need to programmatically extract interface information using PYeZ from you MX Series device. You log in and use the show interfaces terse I display xml rpc command and see the information shown in the exhibit.
What is the correct PyEZ syntax to accomplish this task?
A)

B)

C)

D)

Q32. Click the Exhibit button.

The Ansible playbook shown in the exhibit is executed against a set of Junos network devices. Each Junos device is configured with a user account in the super-user login class. The user account uses SSH-key-based authentication with a passphrase of user 123.
What is the result of executing this playbook against the Junos network devices?

Q33. 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)

B)

C)

D)

Q34. What are two benefits of network automation? (Choose two )

Q35. What are two benefits of network automation? (Choose two)

Q36. Click the Exhibit button.
Exhibit:

You need to programmatically extract interface information using PyEZ from your MX Series device. You log in and use the show interfaces terse | display xml rpc command and see the information shown in the exhibit.
What is the correct PyEZ syntax to accomplish this task?

Q37. Click the Exhibit button.
Exhibit:


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

Q38. Click the Exhibit button.
Exhibit:

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

Q39. You are asked by you manager to automatically switch traffic from the primary link to the backup link on the MX Series device at the branch site whenever latency is above 300 ms over a 5-minute period.
Which type of Junos script would you use in this scenario?

Q40. What is the purpose of an _intit_.py file ?

Q41. You are asked to write an application that interacts directory with the internal APIs belonging to rpd.
Which statement is true in this scenario?

Q42. What are three supported languages for operational scripts on Junos devices? (Choose three.)

Q43. 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?

Q44. Which messaging protocol do JET service APIs use to interface with the Junos OS?

Q45. Click the Exhibit button.
Exhibit:



Referring to the exhibit, what is the type of the myConfig variable on line 17 of the Python script?