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Juniper JN0-422 Exam Topics:
| Section | Objectives |
|---|---|
| NETCONF/XML API | - Describe the concepts, benefits, or operation of automation access methods
|
| Platform Automation Overview | - Identify concepts, general features, or functionality of Junos platform automation
|
| Python | - Describe Python tools for automating Junos
|
| Junos Automation Scripts | - Describe the concepts, benefits, or operation of automation scripts for Junos
|
| Data Serialization and Templating | - Describe the concepts, benefits, or operation of data serialization
|
NEW QUESTION 17
To which component(s) does the JET service APIs provide access?
- A. forwarding plane
- B. XML APIs
- C. control plane
- D. YANG modules
Answer: C
NEW QUESTION 18
What is a purpose of RubyEZ?
- A. to provide a Ruby interface to the Junos Space management product
- B. to provide an off device interface to Ruby
- C. to provide a Ruby interface to Juniper devices that support Puppet
- D. to provide a Ruby framework for interfacing with Juniper devices
Answer: A
NEW QUESTION 19
Click the Exhibit button.
Referring to the exhibit, which Python statement selects the <user-entry> element for the user logged in on the pts/2 TTY?
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option C
- D. Option A
Answer: A
NEW QUESTION 20
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?
- A. The playbook executes, but fails with a "connectAuthError" due to the missing passphrase argument to the junos_get_facts module.
- B. The playbook executes and prints the version of Junos running on each network device as the value of response.facts.version.
- C. The playbook executes and prints"VARIABLE IS NOT DEFINED!" as the value of response. Facts.version.
- D. The playbook fails dut to a YAMI. Syntax error.
Answer: B
NEW QUESTION 21
What is a correctly formatted JSON string?
A)
B)
C)
D)
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Answer: A
NEW QUESTION 22
You are asked to write an application that interacts directory with the internal APIs belonging to rpd.
Which statement is true in this scenario?
- A. You must write the application using the REST APIs.
- B. You must write the application using the YANG APIs.
- C. You must write the application using the JET APIs.
- D. You must write the application using the XML APIs.
Answer: C
NEW QUESTION 23
Which data serialization method does the Junos CLI use to communicate with the Junos management process (mgd) /
- A. JSON
- B. YAML
- C. gRPC
- D. XML
Answer: D
NEW QUESTION 24
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?
- A. augment
- B. choice
- C. case
- D. deviation
Answer: A
NEW QUESTION 25
What are two message types that compose the message layer of the Juniper NETCONF implementation? (Choose two.)
- A. <lock>
- B. <get>
- C. <rpc-reply>
- D. <rpc>
Answer: C,D
NEW QUESTION 26
Click the Exhibit button.
Referring to the exhibit, what is the type of the myConfig variable on line 17 of the Python script?
- A. dictionary
- B. string
- C. template
- D. list
Answer: C
NEW QUESTION 27
With the inclusion of Python in the Junos OS, what is an advantage that this feature provides administrators?
- A. It provides the Python command line (REPL) for testing
- B. The ability to compile Python scripts on the device.
- C. It provides compatibility with all Python versions.
- D. The ability to execute Python scripts on the device.
Answer: D
NEW QUESTION 28
Click the Exhibit button.
Referring to the exhibit, what is the execution order of tasks in the Ansible plybook?
- A. Task A > Task B > Task C
- B. Task C > Task B > Task A
- C. Task A > Task B >
- D. Task C > Task B >
Answer: B
NEW QUESTION 29
What are two benefits of network automation? (Choose two )
- A. to provide historical configuration management
- B. to enforce consistency in automated devices
- C. to improve product lifecycle management
- D. increase programming language fluency
Answer: B,C
NEW QUESTION 30
Click the Exhibit button.
The r0 device is currently in a factory-default state. The console connection of r0 is reachable using Telnet on TCP port 555 of the console_server host.
Referring to the exhibit, which statement is true?
- A. The Telnet service must be configured for the playbook to run successfully.
- B. A password for the root user must be configured for the playbook to run successfully.
- C. The NETCONF service must be configured for the playbook to run successfully.
- D. The device does not require configuration changes for the playbook to run successfully.
Answer: C
NEW QUESTION 31
Which statement describes the relationship between YANG and NETCONF?
- A. YANG models the state and configuration data manipulated by the NETCONF protocol.
- B. NETCONF models XML data use to program YANG modules.
- C. NETCONF is the programming language used to create the state and configuration data manipulaterd by YANG.
- D. YANG is the programming language used to generate base classes to develop the NETCONF protocol.
Answer: A
NEW QUESTION 32
You are writing a SLAX op script to provide a customized rendition of the show interface output. You want to include a command-line argument named interface and provide it whit the default value of fxp0.
A)
B)
C)
D)
- A. Option C
- B. Option A
- C. Option B
- D. Option D
Answer: C
NEW QUESTION 33
Which pair of daemons in the Junson OS handle automation?
- A. mgd and jsd
- B. jsd and gRPC
- C. JET and gRPC
- D. mgd and JET
Answer: A
NEW QUESTION 34
Click the Exhibit:
Referring to the exhibit, what will he hostname be if interface ge-0/0/0 goes down?
- A. int-test-3
- B. int-test-1
- C. int-test-4
- D. int-test-2
Answer: D
NEW QUESTION 35
Which data serialization is used between RubyEZ and a Junos device?
- A. automated CLI
- B. OpenConfig
- C. SNMP
- D. XML
Answer: B
NEW QUESTION 36
Click the Exhibit button.
Referring to the exhibit, which exception is raised if the <get-interface-information> RPC tasks 40 seconds to return a complete response?
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option C
- D. Option A
Answer: A
NEW QUESTION 37
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
What is the cause for this error?
- A. Ansible cannot connect to the device through NTETCONF
- B. router1.example.com was not defined in /etc/hosts on the control machine.
- C. router1.example.com was not defined in /etc/ansible/inventory/hosts on the control machine.
- D. Ansible cannot authenticate to the device.
Answer: A
NEW QUESTION 38
In SLAX, what is the difference between the jcs : invoke ( ) and the jcs : execute ( ) functions?
- A. RPCs called by jcs : invoke ( ) are executed within an existing connection.
- B. RPCs called by jcs : execute ( ) are executed within an existing connection.
- C. RPCs called by jcs : invoke ( ) are not executed until the conclusion of the script.
- D. RPCs called by jcs : execute ( ) are not executed until the conclusion of the script.
Answer: B
NEW QUESTION 39
Click the Exhibit button.
What will executing the program shown in the exhibit retrieve from a Junos device?
- A. the previous configuration changes of the device
- B. the FPC inventory of the device
- C. the current software version on the device
- D. the current memory utilization
Answer: A
NEW QUESTION 40
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Juniper JN0-422 Exam Certification Details:
| Duration | 90 minutes |
| Exam Price | $300 USD |
| Exam Name | Automation and DevOps Specialist |
| Exam Code | JN0-422 JNCIS-DevOps |
| Recommended Training | Junos Platform Automation and DevOps (JAUT) |
| Passing Score | Variable (60-70% Approx.) |
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