Download Automation and DevOps, Associate (JNCIA-DevOps).JN0-220.RealExams.2019-02-25.65q.vcex

Vendor: Juniper
Exam Code: JN0-220
Exam Name: Automation and DevOps, Associate (JNCIA-DevOps)
Date: Feb 25, 2019
File Size: 423 KB
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Demo Questions

Question 1
You are creating a Python data type that contains a collection of multiple ordered values. As part of your script, you must make changes to the values that are stored in your data type. 
In this scenario, which data type should you use?
  1. list
  2. tuple
  3. dictionary
  4. set
Correct answer: C
Question 2
Which statement is correct about Ansible? (Choose two.)
  1. Ansible core modules for the Junos OS are developed by Ansible developers
  2. Ansible Galaxy modules for the Junos OS are developed by Juniper Networks developers
  3. Ansible Galaxy modules for the Junos OS and Ansible core modules for the Junos OS can coexist on the same control machine
  4. Ansible Galaxy modules for the Junos OS and Ansible core modules for the Junos OS cannot coexist on the same control machine
Correct answer: AC
Question 3
Which statement is correct about Python variables once they are created?
  1. A global variable can only be used by functions that are defined later
  2. All variables in Python can be used by any function within the script
  3. A global variable can be used by any function within the script
  4. A global can only be used within the function that created it
Correct answer: A
Explanation:
Reference: https://stackoverflow.com/questions/423379/using-global-variables-in-a-function
Reference: https://stackoverflow.com/questions/423379/using-global-variables-in-a-function
Question 4
Which two statements are correct about XML? (Choose two.)
  1. XML is used to send an event notification to a client
  2. XML is used to issue Junos operational commands
  3. XML is used to view or modify a Junos configuration
  4. XML is used to create a communications session to a remote device
Correct answer: AB
Question 5
Which statement is true about YAML?
  1. YAML is a Unicode-based serialization language designed around common data types
  2. YAML is designed around parsing speed over human readability
  3. YAML is widely used on the Internet as a method to mode data between webservers and AJAX clients on Web browsers
  4. YAML follows the lowest common denominator data types and requires simple processing between different programming environments
Correct answer: A
Explanation:
Reference: http://yaml.org/spec/spec.pdf
Reference: http://yaml.org/spec/spec.pdf
Question 6
Which statement is true about using Ansible a Junos device?
  1. The Junos device does not have an Ansible agent installed
  2. SFTP must be used to allow communication between the Ansible control server and the Junos device
  3. An Ansible playbook is a set of tasks written in XML
  4. Ansible modules are copied and executed on the Junos device
Correct answer: D
Question 7
According to the Manifesto for Agile Software Development, what is a principle of this development practice?
  1. Software development cycles should be based on a quarterly time frame
  2. Software development cycles should be scheduled on an annual time frame
  3. After the development cycle has begun, new software requirements should not be added
  4. After the development cycle has begun, new software requirements can be added at any point
Correct answer: D
Explanation:
Reference: https://www.agilealliance.org/agile101/12-principles-behind-the-agile-manifesto/
Reference: https://www.agilealliance.org/agile101/12-principles-behind-the-agile-manifesto/
Question 8
Click the Exhibit button. 
The exhibit demonstrates the output from which type of session? 
  
  1. REST API
  2. Ansible
  3. PyEZ
  4. NETCONF
Correct answer: D
Explanation:
Reference: https://www.ietf.org/mail-archive/web/netconf/current/msg05567.html
Reference: https://www.ietf.org/mail-archive/web/netconf/current/msg05567.html
Question 9
What are two XML elements of the NETCONF Message layer? (Choose two.)
  1. <lock>
  2. <unlock>
  3. <rpc>
  4. <rpc-reply>
Correct answer: CD
Question 10
Which two statements regarding NETCONF are true? (Choose two.)
  1. NETCONF is a standardized protocol and works with multiple vendors’ devices
  2. NETCONF operations are processed by the jsd process
  3. NETCONF is a proprietary protocol and works only with Junos devices
  4. NETCONF operations are processed by the mgd process
Correct answer: AD
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