Vendor: Juniper
Exam Code: JN0-420
Exam Name: Automation and DevOps, Specialist (JNCIS-DevOps)
Certification: Juniper Certifications
Total Questions: 65 Q&A
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Updated on: Jun 09, 2026
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Click the Exhibit button. Exhibit:

How would you test the configuration snippet shown in the exhibit?
A. Use the root@router% logger SSHD_LOGIN_FAILED command
B. Use the root@router% logger -e SSHD_LOGIN_FAILED command
C. Use the root@router% test SSHD_LOGIN_FAILED command
D. Use the root@router% event SSHD_LOGIN_FAILED command
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. set system scripts op allow-url-for-python
B. set system scripts op file inventory.py
C. set system scripts op no-allow-url
D. set system scripts language python
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
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