[Update May 2022] Latest JNCIA-DevOps JN0-220 dumps exam material
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Read the latest JNCIA-DevOps JN0-220 dumps exam questions and answers online
| Number of exam questions | Exam name | From | Release time |
| 15 | Automation and DevOps, Associate (JNCIA-DevOps) | Lead4Pass | May 15, 2022 |
New 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
Correct Answer: C
New Question 2:
Which statement is correct about Ansible? (Choose two.)
A. Ansible core modules for the Junos OS are developed by Ansible developers
B. Ansible Galaxy modules for the Junos OS are developed by Juniper Networks developers
C. Ansible Galaxy modules for the Junos OS and Ansible core modules for the Junos OS can coexist on the same control machine
D. 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
New Question 3:
Which statement is correct about Python variables once they are created?
A. A global variable can only be used by functions that are defined later
B. All variables in Python can be used by any function within the script
C. A global variable can be used by any function within the script
D. A global can only be used within the function that created it
Correct Answer: A
Reference: https://stackoverflow.com/questions/423379/using-global-variables-in-a-function
New Question 4:
Which statement is true about YAML?
A. YAML is a Unicode-based serialization language designed around common data types
B. YAML is designed around parsing speed over human readability
C. YAML is widely used on the Internet as a method to mode data between webservers and AJAX clients on Web browsers
D. YAML follows the lowest common denominator data types and requires simple processing between different programming environments
Correct Answer: A
Reference: http://yaml.org/spec/spec.pdf
New Question 5:
Click the Exhibit button.
The exhibit demonstrates the output from which type of session?
A. REST API
B. Ansible
C. PyEZ
D. NETCONF
Correct Answer: D
Reference: https://www.ietf.org/mail-archive/web/netconf/current/msg05567.html
New Question 6:
What are two XML elements of the NETCONF Message layer? (Choose two.)
A.
B.
C.
D.
Correct Answer: CD
New Question 7:
Which two statements regarding NETCONF are true? (Choose two.)
A. NETCONF is a standardized protocol and works with multiple vendors\’ devices
B. NETCONF operations are processed by the jsd process
C. NETCONF is a proprietary protocol and works only with Junos devices
D. NETCONF operations are processed by the mgd process
Correct Answer: AD
New Question 8:
You are enabling HTTPS for the REST API on a Junos device. You are using a self-signed SSL certificate and must ensure that the commit does not fail. In this scenario, which certificate must be provided for HTTPS?
A. client certificate
B. server certificate
C. PKI certificate
D. SSH certificate
Correct Answer: B
New Question 9:
Which feature of Ansible provides encrypted files to house sensitive data such as login credentials and keys?
A. Ansible default feature
B. Ansible Vault
C. Ansible Galaxy
D. Ansible Tower
Correct Answer: B
Reference: https://docs.ansible.com/ansible/2.4/vault.html
New Question 10:
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
New Question 11:
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
New Question 12:
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
New Question 13:
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
New Question 14:
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
New Question 15:
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
…
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