Free JN0-221 Exam Braindumps
Automation and DevOps Associate (JNCIA-DevOps) Questions 11–15 (page: 4)

Updated On: 9-Feb-2026

What are two popular methods of data serialization? (Choose two.)

  1. Python
  2. JSON
  3. SLAX
  4. YAML

Answer(s): A,D


Reference:

https://docs.python-guide.org/scenarios/serialization/



As part of an application to manage network devices, you must query hundreds of network devices and return the unique set of IP prefixes blocked by configured firewall filters. To accomplish this task, you will require a mutable data type that contains unordered, unique elements.

Which Python data type will fulfill these requirements?

  1. dictionaries
  2. lists
  3. tuples
  4. sets

Answer(s): C


Reference:

https://docs.python.org/2/library/sets.html



What is a valid JSON object?

  1. “hostname:vmx-1”
  2. { “hostname”: “vmx-1”}
  3. [“vmx-1:172.25.11.1”]
  4. {“vmx-1”, “172.25.11.1”}

Answer(s): A


Reference:

https://www.juniper.net/documentation/en_US/day-one-books/DO_Automating_SALT.pdf (53)



Click the Exhibit button.


Referring to the exhibit, what will be two results of this playbook before saving it to a file? (Choose two.)

  1. to include everything but the system/services
  2. to retrieve the committed configuration
  3. to include only the system/services
  4. to retrieve the candidate configuration

Answer(s): B,C



Which statement about element nodes is correct?

  1. Only a single root element node is allowed
  2. Element nodes only consist of a single line of code
  3. Element nodes cannot be nested in other element nodes
  4. Only the root element node can contain other element nodes

Answer(s): B



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