Juniper Automation and DevOps JN0-220 Questions & Answers

• Question 41:

  Which Junos process is responsible for handling automation requests involving the JET API?

  A. mgd

  B. dcd

  C. rpd

  D. jsd

  Correct Answer: D

  Reference: https://www.juniper.net/documentation/en_US/junos/topics/concept/jet-application-interactionwith-junos.html

• Question 42:

  Click the Exhibit button.

  Which YAML form is represented in the exhibit?

  

  A. a mapping

  B. a set

  C. a tuple

  D. a sequence

  Correct Answer: B

• Question 43:

  Which Junos process handles automation requests involving the XML API, YANG, the REST API, and SNMP functions?

  A. chassisd

  B. rpd

  C. jsd

  D. mgd

  Correct Answer: D

  Reference: http://overloadedbits.eu/jnics_devops_01_overview/

• Question 44:

  Which two Junos platforms support the REST API? (Choose two.)

  A. SRX Series

  B. ACX Series

  C. EX Series

  D. MX Series

  Correct Answer: AD

• Question 45:

  What are two characteristics found in a modern DevOps environment? (Choose two.)

  A. The development and operations environments are identical

  B. The development and operations environments are different

  C. The DevOps practice relies heavily on the use of physical hardware

  D. The DevOps practice relies heavily on the use of virtualization

  Correct Answer: BD

• Question 46:

  What does the statement "Ansible provides idempotent operations." mean?

  A. The result of performing the operation once is exactly the same as the result of performing it repeatedly without any intervening actions.

  B. The result of performing the operation once is not exactly the same as the result of performing it repeatedly without any intervening actions.

  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.

  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

• Question 47:

  What are two benefits of a DevOps approach? (Choose two.)

  A. to reduce deployment anxiety

  B. to reduce the number of managed objects

  C. to quickly integrate software updates

  D. to reduce the number of configuration releases

  Correct Answer: AC

• Question 48:

  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

  Correct Answer: AC

• Question 49:

  What is the default REST HTTPS port used on a Junos device?

  A. 3000

  B. 8443

  C. 3443

  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 50:

  Which two statements are true regarding JSON? (Choose two.)

  A. JSON can be used to evaluate conditional statements

  B. JSON can be used to perform programming loops

  C. JSON can be used to structure data

  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-xmlprotocol-configuration-mapping-to-json.html