Juniper JN0-422 問題練習

Question No : 1
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.

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Question No : 2
What is a purpose of RubyEZ?

• A.to provide a Ruby interface to Juniper devices that support Puppet
• B.to provide an off device interface to Ruby
• C.to provide a Ruby interface to the Junos Space management product
• D.to provide a Ruby framework for interfacing with Juniper devices

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Question No : 3
Click the Exhibit button.



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

• A.a commit script
• B.an op script
• C.an event script
• D.an SNMP script

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Question No : 4
Which statement is true about a Junos ephemeral configuration database?

• A.It can be used to reduce commit time.
• B.It can be used to archive previous versions of the ephemeral configuration.
• C.It can be used to validate configuration data semantics.
• D.It can be used to trigger a commit script.

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Question No : 5






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

• A.XML
• B.YANG
• C.YAML
• D.JSON

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Question No : 6
Which two statements are correct about JSON characteristics? (Choose two.)

• A.JSON is programming language independent
• B.JSON uses # # for comments
• C.JSON is a supported template language.
• D.JSON is easy to read for humans and devices.

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Question No : 7
Which YAML document represents a valid mapping(dictionary) of sequences (lists) ?
A)



B)



C)



D)

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Question No : 8
Which command is valid for assessing a Junos device using the RESTful API on the default port?
A)



B)



C)



D)

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Question No : 9
Which transport protocol must be supported by RFC-compliant NETCONF implementations?

• A.SSH
• B.Telnet
• C.TLS
• D.BEEP

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Question No : 10
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)

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Question No : 11
Click the Exhibit:






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

• A.int-test-2
• B.int-test-3
• C.int-test-4
• D.int-test-1

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Question No : 12



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

• A.PeramissionError
• B.RpcError
• C.ConnectError
• D.CommitError

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Question No : 13
Which format does an Ansible playbook use

• A.JSON
• B.YAML
• C.XML
• D.CSV

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Question No : 14



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

• A.Commit-Script-Input
• B.Checkout_Configuration
• C.Junos_ Configuration
• D.Canadidate_ Configuration

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Question No : 15
Exhibit:



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

• A.Enable protocol-version v1 under the SSH configuration hierarchy.
• B.Enable ssh under the NETCONF configuration hierarchy.
• C.Enable outbound-ssh with services netconf under the SSH configuration hierarchy.
• D.Enable trace options under the NETCONF configuration hierarchy.

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