Juniper JN0-220 Online Practice Questions and Exam Preparation

Juniper JN0-220 Online Questions & Answers

• 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?

  A. list
  B. tuple
  C. dictionary
  D. set
  C. dictionary

• Question 2:

  Which statement is true about using Ansible a Junos device?

  A. The Junos device does not have an Ansible agent installed
  B. SFTP must be used to allow communication between the Ansible control server and the Junos device
  C. An Ansible playbook is a set of tasks written in XML
  D. Ansible modules are copied and executed on the Junos device
  D. Ansible modules are copied and executed on the Junos device

• Question 3:

  How does YAML differ from JSON in data interchange formats?

  A. YAML supports comments
  B. JSON is language specific
  C. JSON is a superset of YAML
  D. YAML is not indentation aware
  A. YAML supports comments

• Question 4:

  Which development model is the classic approach to software development?

  A. Waterfall
  B. Scrum
  C. Kanban
  D. Lean
  A. Waterfall

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  Reference: https://searchsoftwarequality.techtarget.com/definition/waterfall-model

• Question 5:

  Which statement is correct about Python?

  A. Python automatically deletes unused objects from memory
  B. The Python interpreter is written in Java
  C. Python behavior is influenced by the host OS
  D. Python code must be compiled on a Junos device
  A. Python automatically deletes unused objects from memory
  C. Python behavior is influenced by the host OS

• Question 6:

  Click the Exhibit button.

  The exhibit demonstrates the output from which type of session?

  

  A. REST API
  B. Ansible
  C. PyEZ
  D. NETCONF
  D. NETCONF

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  Reference: https://www.ietf.org/mail-archive/web/netconf/current/msg05567.html

• Question 7:

  What are two components of continuous integration and continuous delivery? (Choose two.)

  A. to use a version control system
  B. to have a large consolidated code delivery
  C. to allocate time at the end of the project for testing
  D. to have the ability to fork or merge code branches
  A. to use a version control system
  B. to have a large consolidated code delivery

• Question 8:

  Which statement is true regarding Python?

  A. To obtain functionality from a package, it must be imported using the Python keyword module
  B. A Python set is an ordered collection of unique elements
  C. Python 3.x is not fully backwards compatible with Python 2.x
  D. An object within a Python tuple can be modified
  C. Python 3.x is not fully backwards compatible with Python 2.x

• Question 9:

  What are two XML elements of the NETCONF Message layer? (Choose two.)

  CD

• Question 10:

  Which two statements are correct about XML? (Choose two.)

  A. XML is used to send an event notification to a client
  B. XML is used to issue Junos operational commands
  C. XML is used to view or modify a Junos configuration
  D. XML is used to create a communications session to a remote device
  A. XML is used to send an event notification to a client
  B. XML is used to issue Junos operational commands