The document contains a series of exam questions and answers related to the JNCIS-DevOps certification, specifically for exam jn0-420. It addresses topics like task execution order in Ansible playbooks, error messages in Ansible, elements of a jet notification message, and the function of an __init__.py file in Python applications. Each question is followed by the correct answer indicated.

1. Demo Edition
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JNCIS-DevOps
Exam: JN0-420
JN0-420
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2. QUESTION: 1
Click the Exhibit button.
Referring to the exhibit, what is the execution order of tasks in the Ansible plybook?
A. Task C > Task B > Task A
B. Task A > Task B > Task C
C. Task C > Task B >
D. Task A > Task B >
Answer: A
QUESTION: 2
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/hosts on the control machine.
B. The target device was not defined in /etc/ansible/invertory/hosts on the control
machine.
C. The target device was not defined in /etc/hosts on the control machine.
D. The target device was not defined on the associated DNS servers.
Answer: A
QUESTION: 3
What are three elements of a JET notification message? (Choose three.)
A. hostname
B. time
C. username
D. severity
E. subscription type
JN0-420
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3. Answer: B, C, D
QUESTION: 4
With which three processes does the JET service process communicate?(Choose three)
A. rpd
B. mgd
C. cosd
D. ancpd
E. snmpd
Answer: A, B, E
QUESTION: 5
What is the purpose of an _intit_.py file ?
A. An_init_.py file sets all magic attributes with the _init_prefix with the appropriate
default values.
B. An_init_.py file initializes a Python application with default values for instantiated
objects.
C. An_init_.py file contains strings for additional directories that the Python interpreter
adds to sys.path [].
D. An_init_.py file indicates to the Python interpreter that a directory contains Python
packages or modules.
Answer: B
JN0-420
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