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JN0-422 : Automation and DevOps Specialist (JNCIS-DevOps) Exam

Juniper JN0-422 Questions & Answers

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Juniper


JN0-422


Automation and DevOps Specialist (JNCIS-DevOps)


https://killexams.com/pass4sure/exam-detail/JN0-422

Question: 135


Which two automation frameworks are agentless when managing Junos devices?


  1. Chef

  2. Ansible

  3. Puppet

  4. SaltStack


Answer: A,B,D Question: 136

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


  1. The ability to compile Python scripts on the device.

  2. The ability to execute Python scripts on the device.

  3. It provides compatibility with all Python versions.

  4. It provides the Python command line (REPL) for testing


Answer: B Question: 137

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


  1. to enforce consistency in automated devices

  2. increase programming language fluency

  3. to provide historical configuration management

  4. to improve product lifecycle management


Answer: A,D Question: 138

Which command is used to execute an Ansible playbook?


  1. ansible-vault

  2. ansible

  3. ansible-galaxy

  4. ansible-playbook


Answer: D Question: 139

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


  1. It executes APIs from multiple sessions in parallel

  2. It executes one API request per session.

  3. It creates a separate thread to service JET application requests

  4. It supports only one client session at a time

Answer: A,C Question: 140 Exhibit:


Referring to the exhibit. how would you solve this issue ?


  1. Enable protocol-version v1 under the SSH configuration hierarchy.

  2. Enable ssh under the NETCONF configuration hierarchy.

  3. Enable outbound-ssh with services netconf under the SSH configuration hierarchy.

  4. Enable trace options under the NETCONF configuration hierarchy.


Answer: C Question: 141



In the Python commit script, which object provides the post-inheritance candidate configuration?


  1. Commit-Script-Input

  2. Checkout_Configuration

  3. Junos_ Configuration

  4. Canadidate_ Configuration


Answer: B Question: 142

Which format does an Ansible playbook use


  1. JSON

  2. YAML

  3. XML

  4. CSV


Answer: B Question: 143



Referring to the exhibit, what should <CHANGEME> be replaced with to correctly print out the exception message Cannot cannot to device ?


  1. PeramissionError

  2. RpcError

  3. ConnectError

  4. CommitError


Answer: C Question: 144 Click the Exhibit:



Referring to the exhibit, what will he hostname be if interface ge-0/0/0 goes down?

  1. int-test-2

  2. int-test-3

  3. int-test-4

  4. int-test-1


Answer: A Question: 145

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)


  • Option A

  • Option B

  • Option C

  • Option D


    • Answer: B Question: 146

    Which transport protocol must be supported by RFC-compliant NETCONF implementations?


    1. SSH

    2. Telnet

    3. TLS

    4. BEEP


    Answer: A Question: 147

    Which command is valid for assessing a Junos device using the RESTful API on the default port? A)


    B)



    C)



    D)



    1. Option A

    2. Option B

    3. Option C

    4. Option D


    Answer: D Question: 148

    Which YAML document represents a valid mapping(dictionary) of sequences (lists) ?


    B)



    C)



    D)



    1. Option A

    2. Option B

    3. Option C

    4. Option D


    Answer: A Question: 149

    Which two statements are correct about JSON characteristics? (Choose two.)


    1. JSON is programming language independent

    2. JSON uses # # for comments

    3. JSON is a supported template language.

    4. JSON is easy to read for humans and devices.


    Answer: A,D




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


    1. XML

    2. YANG

    3. YAML

    4. JSON

    Answer: D Question: 151

    Which statement is true about a Junos ephemeral configuration database?


    1. It can be used to reduce commit time.

    2. It can be used to archive previous versions of the ephemeral configuration.

    3. It can be used to validate configuration data semantics.

    4. It can be used to trigger a commit script.


    Answer: A Question: 152

    Click the Exhibit button.



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


    1. a commit script

    2. an op script

    3. an event script

    4. an SNMP script


    Answer: D Question: 153

    What is a purpose of RubyEZ?


    1. to provide a Ruby interface to Juniper devices that support Puppet

    2. to provide an off device interface to Ruby

    3. to provide a Ruby interface to the Junos Space management product

    4. to provide a Ruby framework for interfacing with Juniper devices


    Answer: C Question: 154

    What is the purpose of an _intit_.py file ?


    1. An_init_.py file sets all magic attributes with the _init_prefix with the appropriate default values.

    2. An_init_.py file initializes a Python application with default values for instantiated objects.

    3. An_init_.py file contains strings for additional directories that the Python interpreter adds to sys.path [].

    4. An_init_.py file indicates to the Python interpreter that a directory contains Python packages or modules.


    Answer: B


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