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Juniper JN0-220 Exam Practice Questions (P. 4)

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Question #16
Which two statements are true regarding JSON? (Choose two.)
  1. A
    JSON can be used to evaluate conditional statements
  2. B
    JSON can be used to perform programming loops
  3. C
    JSON can be used to structure data
  4. D
    JSON can be used to format data between a client and a server

Correct Answer:
CD
Reference: https://www.juniper.net/documentation/en_US/junos/topics/reference/general/junos-xml-protocol-configuration-mapping-to-json.html

Question #17
What is the default REST HTTPS port used on a Junos device?
  1. A
    3000
  2. B
    8443
  3. C
    3443
  4. D
    443

Correct Answer:
C
Reference: https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/port-edit-system-services-rest.html

Question #18
Which statement is correct about Python?
  1. A
    Python automatically deletes unused objects from memory
  2. B
    The Python interpreter is written in Java
  3. C
    Python behavior is influenced by the host OS
  4. D
    Python code must be compiled on a Junos device

Correct Answer:
AC

Question #19
What are two benefits of a DevOps approach? (Choose two.)
  1. A
    to reduce deployment anxiety
  2. B
    to reduce the number of managed objects
  3. C
    to quickly integrate software updates
  4. D
    to reduce the number of configuration releases

Correct Answer:
AC

Question #20
What does the statement "Ansible provides idempotent operations." mean?
  1. A
    The result of performing the operation once is exactly the same as the result of performing it repeatedly without any intervening actions.
  2. B
    The result of performing the operation once is not exactly the same as the result of performing it repeatedly without any intervening actions.
  3. C
    The result of performing the operation once will not allow the operation to be run again without any intervening actions to correct the failure.
  4. D
    The result of performing the operation once will not allow the operation to be run again without any intervening actions.

Correct Answer:
A
Reference: https://docs.ansible.com/ansible/latest/reference_appendices/glossary.html

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